"This is the book every girl needs to make her dreams come true." -- Laurie Hernandez, US Olympic Gold Medalist and best-selling author of I Got This: To Gold and Beyond

"Girl power depends on self-confidence, but many girls struggle to see how awesome they really are.... I wish I had this book when I was a girl - and I'm really glad today's girls have it now." -- Sheryl Sandberg, COO of Facebook and founder of Lean In and Option B

"Girls should know it's cool to be different. I learned that lesson on the ice, playing hockey. I didn't always fit in, but I came to embrace that, and it gave me confidence. This book can help every girl flip that switch in her head." -- Hilary Knight, Olympic silver medalist and member of the US women's national ice hockey team

"Needs to find its way into the hands of anyone who ever identifies as a girl." -- Kirkus Reviews

"Wow!!! I love love love this book for girls. Every single day I work with girls who suffer so much because they don't have the tools The Confidence Code for Girls provides. It gives tweens tips and tools to manage everything from stress to self-doubt to sticky social situations." -- Phyllis L. Fagell, school counselor, author and contributor to the Washington Post's On Parenting section

"An essential read for every girl in her tween years.... I am inspired by what the authors have done in offering such a tremendous guidebook that I am sure tween girls will reference time and time again in their journey to forming a solid, confident self." -- Dr. Bonnie Zucker, licensed psychologist and author of Anxiety-Free Kids: An Interactive Guide for Parents and Children

"If you've ever wished you had the courage to say what you really think, or do the thing that scares you, this is the book for you! Confidence is crucial for girls, and Katty and Claire have figured out the recipe. Reading this book will help you change your life!" -- Rachel Simmons, author of Enough as She Is and Leadership Specialist at Smith College

"Addresses why girls, specifically, can feel unsure of themselves, how they can break out of habits that hold them back, take healthy risks, and build confidence.... Readers will enjoy discovering more about their brains and how to handle real-life situations." -- School Library Journal

"The authors suggest the importance of and methods for developing positive relationships, mindfulness, and the strength to persist after making a mistake... Because the authors draw from a diverse population of girls' experiences from differing cultures and backgrounds, any girl can feel at home in these pages. -- Voice of Youth Advocates (VOYA)

"There's a lack of books on this subject for tweens and young teens, so this, with its endnotes and helpful resource list, invaluably fills the gap. Girls will appreciate how it speaks directly to them, not their parents, and offers inspiring stories by girls for girls." -- Booklist Online

"Confidence, the authors suggest, comes not from being perfect, but from building a strong foundation of self-awareness, knowledge, and resilience--and it's always a work in progress." -- Publishers Weekly