Publisher's Synopsis
This Logic Puzzles book is packed with the following features: - 1000 Binary Puzzle from Easy to Hard (333 Easy - 334 Medium - 333 Hard).- Each puzzle is guaranteed to have only one solution.- Includes free bonus puzzles you can download book (Fitness for your brain: Word Search With Hidden Message: Train your brain anywhere, anytime! - 102 Puzzles for Adults and Seniors) - Answers to every puzzle are provided at the back of the book.- Six puzzles per page (8.5 x 11 inches).