The universe throws a lot of puzzles at us, as Einstein well knew. Solving them requires logic, creativity, diligence, and a good memory. In this puzzle book, you can challenge your inner Einstein with logic, verbal, and number games, as well as some devious riddles. Every page offers something new.

• Puzzle types include cross math, logidoku, number sequence, letterbox, and plenty of number and word riddles.
• Over 190 puzzles.
• Answers in back of book.
• Spiral bound for easy puzzle working.