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, y

A unique compilation of logical teasers and lateral-thinking problems designed to stretch your brainpower and strengthen your mind. Riddles, paradoxes, and conu

Puzzles.

Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book wi

Step into the mind of the greatest physicist of all time Try to think like Einstein as you come to grips with 120 enigmas, quizzes, and tests of logic based on