Collection: Adult

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AI-powered applications are rapidly becoming the new normal. Personal productivity assistants, coding agents, smarter search, and automated reporting tools are popping up everywhere. The LangChain ecosystem, and standards like MCP are driving this new gold rush. This book helps you claim your spot.

This is your hands-on guide to creating real, production-ready language model solutions. With LangChain and LangGraph, you'll orchestrate powerful agentic workflows and build dynamic tool-based agents that can search, summarize, reason, and act. You'll move from essential prompt engineering to advanced Retrieval Augmented Generation (RAG), and finally to deploying multi-agent systems using modern integration standards like the Model Context Protocol (MCP).

In AI Agents and Applications: With LangChain, LangGraph and MCP, you'll discover:

- Prompt and context engineering for accurate, hallucination-resistant systems
- Advanced RAG for summarization, semantic search, and reliable Q&A
- Structured, multi-step agentic workflows with LangGraph
- Tool-based agents that adapt in real time
- Multi-agent systems for complex, real-world tasks
- MCP integration to expose, compose, and consume plug-and-play tools

About the technology

This book teaches you to design reliable LLM-powered systems by focusing on the concepts, architectures, and design patterns that will stay stable even as models and APIs change. You'll learn to structure prompts, compose modular chains, and build RAG pipelines that ingest documents, split them into chunks, embed them, retrieve the right context, and ground answers to elliminate (or vastly reduce) hallucinations.

About the book

Along the way you'll build concrete applications--summarization and Q&A engines, context-aware chatbots with memory, and tool-using AI agents that orchestrate multi-step workflows with branching logic. For the examples, the book uses Python, LangChain, LangGraph, and LangSmith, but you'll be able to generalize to other frameworks. You'll understand with clarity and confidence how to keep integrations maintainable, manage context limits and cost/latency tradeoffs, and evaluate, debug, and monitor behavior so your systems work in production.

About the author

Roberto Infante is an AI innovator with deep FinTech experience, working for a London-based hedge fund. He specializes in building agentic systems for both plain vanilla and exotic quantitative analysis.

Table of Contents

Part 1
1 Introduction to AI agents and applications
2 Executing prompts programmatically
Part 2
3 Summarizing text using LangChain
4 Building a research summarization engine
5 Agentic workflows with LangGraph
Part 3
6 RAG fundamentals with ChromaDB
7 Q&A chatbots with LangChain and LangSmith
Part 4
8 Advanced indexing
9 Question transformations
10 Query generation, routing, and retrieval postprocessing
Part 5
11 Building tool-based agents with LangGraph
12 Multi-agent systems
13 Building and consuming MCP servers
14 Productionizing AI agents: Memory, guardrails, and beyond
Appendixes
A: Trying out LangChain
B: Setting up a Jupyter Notebook environment
C: Choosing an LLM
D: Installing SQLite on Windows
E: Open source LLMs

Color By Number Coloring Book of Amazing Designs!

• This 101 Color By Number Coloring Book is great for adults, and seniors who love to color easy illustrations for stress relief and relaxation. Spend hours of fun coloring beautiful illustrations of animals, landscapes, nature scenes, flowers, birds and more.

Each beautiful Color By Numbers picture is printed on its own Large Print 8.5 x 11 inch page, with a color guide on the opposite side. Make one of the best decisions this year and get your copy of this fantastic 101 Color By Number Coloring

LIMITED TIME DELUXE EDITION

From bestselling author Talia Hibbert comes a story of wicked royals, fake engagements, and the fed-up office worker trapped in the midst of it all.

Cherry Neita is thirty, flirty, and done with men. As far as she can tell, they're overrated, overpaid, and underperforming--in every area of life. But a girl has needs, and the smoking-hot stranger she just met at the office seems like the perfect one-night stand...

Prince Ruben of Helgmøre is reckless, dominant, and famously filthy. The outcast royal is rebuilding his reputation--all for a good cause--but he can't resist a pretty face. And bossy whirlwind Cherry's got the face, the body, and the attitude to make Ruben's convictions crumble. Even better, when she propositions him, she has no idea who he really is.

But when paparazzi catch the pair, erm, kissing in an alleyway, Ruben's anonymity disappears faster than Cherry's knickers. Now the press is in uproar, the palace is outraged, and Ruben's reputation is back in the gutter. There's only one way to turn this disaster around--and it involves Cherry, some big fat lies, and a flashy diamond ring. On her left hand.

Unfortunately, Cherry isn't pleased with Ruben's "fake engagement" scheme...and neither is the king.

A witty, heartfelt novel about a young woman who leaves everything behind to work on an oyster farm in a small New England town.

Recently fired from her dependable career as an actuary, and recovering from a messy breakup with her fiancé, thirty-two-year-old Cece Downing is holed up for the summer in New London, Connecticut, without a plan. Mounting financial debts soon force Cece to take the first job opportunity that comes her way--one she's wholly unsuited for--as a deckhand on an oyster boat.

Surprisingly, Cece finds herself loving the job: working with her hands, breathing the fresh sea air, and learning the ins and outs of oyster farming. And despite her overbearing mother's pleas to get a "real" job and reunite with her wealthy fiancé, Cece plunges headlong into an ill-advised romance with her neighbor, a handsome shipyard worker named Morgan.

When a proposal to expand the oyster farm throws the community into an uproar, pitting wealthy waterfront owners against blue collar workers, Cece finds herself caught in the middle. And as a family crisis forces her to reevaluate her reckless choices Cece must come to terms with what she's willing to sacrifice for the life she wants to live.

Learn how to transform turfgrass lawns and open spaces into biodiverse meadows with this practical and inspiring step-by-step guide

Today's homeowners and landscapers are increasingly seeking to make a positive impact on the environment through the natural spaces they create. For Florida residents looking for alternatives to traditional turfgrass lawns, The Florida Meadow Manual is a timely guide. Meadows--diverse plant communities of native grasses and wildflowers--require fewer resources than lawns and provide critical habitats for pollinators and other wildlife.

This book provides clear, step-by-step instructions for transforming yards, parks, and other open spaces into thriving biodiverse ecosystems. Drawing on the expertise of seasoned professionals and real-world case studies from urban and rural settings across the state, this book details the full process of creating a meadow, from site assessment and plant selection to installation and long-term maintenance. Readers will find guidance on design principles that balance ecological function with visual appeal, as well as practical strategies for managing weeds, planning mowing schedules, and addressing invasive species. Color illustrations and sample design plans showcase successful projects and offer inspiration.

Blending ecological insight and hands-on advice, The Florida Meadow Manual is the perfect resource for home gardeners, land managers, and planning professionals. By making the principles behind meadow creation understandable and actionable, this book empowers readers to contribute meaningfully to Florida's environmental resilience--one meadow at a time.

In the early 1930's, as the dammed Osage River slowly crept through the countryside to fulfill its destiny as the Lake of the Ozarks, people came from afar with a vision. They would stay and help create a special place.

Lake Ozark, Missouri, the town that emerges at the southwest end of Bagnell Dam, is inhabited by a variety of young hard-working folks building relationships and businesses, families and community as they collectively face the future. From Tulsa comes the son of a cop, Harold Pilkington, and Marion Clayton, the son of a mine foreman, comes from Illinois. They join the Frys from Springfield and the young Robinson sisters from Bagnell and begin to forge a life. With others among them Jay Rice, Harold's Cherokee friend from Oklahoma, craftsman Lon Stanton, restauranteurs the Gordons, and engineer Bruce James their collective world revolves around an iconic building at the center of town. It is populated by the cook Maggie Custer and waitresses Pauline and Janie, and new "family" from Fort Wood-the corporal from Mississippi and the sergeant from Chicago. And you will never forget the Claytons' precocious little daughter, Ruthie, who will warm your heart. They call the place the "Whitehouse," and all who visit emerge forever changed.

All of this serves as a preface to the post-war tourism explosion at the Midwest phenomenon called Lake of the Ozarks.

One determined goddess. Two beloved gods. Three coveted thrones.

Ancient Egypt's most formidable goddess will stop at nothing to save her true love from the wrath of a vengeful god in this romantic retelling by the author of Neferura, perfect for readers who loved Lilith.

Isis, goddess of thrones and magic, steals the crown of Egypt and hands the power to her husband, Osiris. Together, Isis and Osiris live an idyllic life, ruling justly until the god of chaos, set on revenge for a crime Isis knows nothing about, traps Osiris in a box--a box that quickly vanishes.

Driven by rage and desperation, Isis spends decades disguised as a human woman, isolated from home and family as she searches for her lost love. When she finally uncovers the box, what she finds will change her life--and the fate of gods and mortals--forever. Unless Isis can right the wrongs of a betrayal she didn't commit and deliver Egypt into the hands of a worthy leader, Egypt will fall into chaos.

Isis of Egypt: Goddess of Thrones is a feminist retelling about the woman behind one of the ancient world's most widespread and enduring cults, a goddess whose message of empathy and resilience resonates still today.

From bestselling LitRPG author Seth Ring--creator of the Titan and Battle Mage Farmer series--comes the next thrilling escapade in an epic series of alien contact, fast-paced military action, and superhuman adventure.

All things come to a head ...

Former dishwasher turned soldier turned hunter Mark Fields now faces the biggest threat yet: himself.

Pursued by some of the strongest empowered in New Emery and taunted by the eerie prophet leading a mutant cult, all while trying to build a relationship--that's a lot even for an almost superhero.

As his friends and allies are scattered, Mark must master his abilities, discover his true origin, and fight for his own survival--for the long-dreaded Exlian wave has broken at last, besieging the city.

On the brink of war, surrounded by enemies and divided loyalties, Mark must decide and embrace who he really is--alien monster? Elite soldier? Mutant savior? Exlian ... or human?

His choice will shape the future of New Emery--and of humanity.

The Japanese hit manga rom-com comes to print! The sweet smiles across the faces of the "perfect" student council duo hide secret, tough-as-nails personalities. These two-faced angels vie for dominance while keeping up their flawless act...but how long will it take for contention to give way to attraction?

This modern spin for fans of classics like Kare Kano: His and Her Circumstances and Kaguya-sama: Love Is War is already a best-seller in Japan!

All sugar, no spice, and everything nice...that's the impression the beautiful first-year high schooler and class president Otogi gives to those around her. One look from the school's "heartthrob angel" is all it takes to sweep countless admirers off their feet. But the real Otogi Katsura is no angel: She's calculating, ruthless, and sharp-tongued. When Otogi slips up and exposes her inner baddie in front of the class's other paragon, Toki, he counters by revealing an unexpected side of his own and declaring her his "partner in crime." With cupid's arrow at her back, can the "heartthrob angel" maintain her perfect act and regain the upper hand, or will she be the one swept off her feet by a fellow false angel?!

BALANCE HORMONES - REGULATE BLOOD SUGAR - OPTIMIZE INSULIN SENSITIVITY

A groundbreaking handbook for activating your body's naturally occurring weight-loss hormones without relying on medication, from the former director at Novo Nordisk, the pharmaceutical company behind Wegovy and Ozempic

"The most important GLP-1 conversation no one is having."--David Perlmutter, MD, #1 New York Times bestselling author of Grain Brain and Brain Defenders

In 2022, the world changed drastically when GLP-1 medications became popular in the market. But with prices soaring and production restricted, the benefits of these drugs are not accessible to all. The good news is the major component in these drugs mimics the effect of one of the body's very own natural weight-loss hormones--so why not let your body do the work?

For more than twenty years, Dr. Anette Sams has worked as a pharmaceutical researcher--including six years at Novo Nordisk, where she specialized in and led research on blood sugar, diabetes, and inflammation--and she's now sharing her expertise worldwide. In Let Your Body Do the Work, Sams explains how the naturally occurring GLP-1 hormone works in the body and shares practical, everyday tips on how to activate it through nutrition and lifestyle tweaks.

This powerful hormone can not only help to achieve and maintain a healthy weight, but also regulate blood sugar and appetite, improve insulin sensitivity, reduce inflammation, support satiety, and support natural prevention of common diseases. An instant bestseller in Denmark, Let Your Body Do the Work is your resource for accessing the benefits of healthy, active weight-loss hormones without the hefty price tag.

"It should never be easier to get expensive injections than to understand our own hormones. The world needs both medication and education."--Anette Sams

When a body washes up on the shore of a harbor island, LT Nichols, Laurel, Maine's chief of police, discovers that it's the son of Laurel's most noteworthy summer resident, Randolph Grimes, the US Secretary of Commerce. The case is deemed too big for the smalltown Nichols. A United States marshal is flown in from Washington. When she arrests one of Laurel's native sons for murder, Nichols has his doubts. He launches his own investigation. A host of federal agents line up to shut him down.

And that's when the real trouble starts.

Adventure draws near! Join Prince Arus in his fight against Lord Imagine one hundred years after the events of the iconic Dragon Quest III video game!

The ship Lunafrea finds trouble at sea when the unsealed Leviathan regains his strength. Can the sealord's beloved nereid, Pearl, help the party survive being swallowed alive? The watery battle against a titanic foe takes its toll... The ensuing combat with the parasitic monster that Leviathan harbors may be too much for their remaining strength. Meanwhile, on Kira's journey to his birthplace, the young swordsman confronts an illusory past to rise as a true Swordlord. When Arus's ship reaches Aliahan--home of the hero who grew up as Alheru--they meet someone linked to the legendary Erdrick's party. While there, Poron takes local kids under his wing, but an unexpected fight may awaken his hidden power!

FAMILY AFFAIRS

After a dramatic departure from their previous company, Park Seon-woo and Jeong Tae-moon are working together yet again, this time in a true boss/subordinate relationship. Things are as spicy as ever in the bedroom, but for some reason, even though Seon-woo stays at Mr. Jeong's every night, the topic of moving in together makes Tae-moon nervous. It's already hard enough as it is, keeping their relationship--and Tae-moon's bastard parentage--a secret at work, then Tae-moon's jerk of a father butts in again to insist on meeting Seon-woo's disturbingly normal parents. Can Seon-woo and Tae-moon's relationship withstand the inevitable fallout?

Master your finances in six weeks with a money system designed to reflect your values and ambitions--no matter what your starting point

If you didn't grow up with money or advice on how to manage it, this guide will walk you through key steps to building generational wealth with clarity and confidence. You can master your money in just six weeks, and set in motion a financial life that reflects the personal, family, and cultural values that shape how you define success. Drawing on her own experiences and years of guiding thousands of members of her FirstGenLiving community, personal finance expert Maria Melchor shares her Always Have Enough (AHEM) System, teaching you how to build a simple and powerful financial system and create a future that supports both you and the people you love.

With the step-by-step advice in Always Have Enough, you will learn how to:

● Break free from scarcity mindset to save and spend more wisely

● Strike a healthy balance between honoring your roots and pursuing your ambitions

● Make your debt disappear (hint: anything's faster than ignoring it)

● Choose the right bank accounts, credit cards, and investments for your goals

● Enjoy the present while building for the future

You'll find real-life stories, "homework" to help you put each lesson into practice, and new ways to manage, save, and spend money that reflect both your ambitions and your values. Most importantly, you'll discover that with the right mindset, plans, and tools, you can build real financial security, support the people you love and create a life where you truly always have enough.