Mind Stretchers Jade Edition Author:Allen D. Bragdon Entertain Your Brain! Active engagement is better for your brain than passive engagement, no matter how young or old you are. — The challenges in Mind Stretchers present you with a graded selection of themed crosswords and word searches together with visual, numerical and logic puzzles to engage your brain. — Crossword Puzzles, Word Searches, Num... more »ber Puzzles, Logic Puzzles, Sudoku, Instant Brain Teasers.« less