Tricky Logic Puzzles for Adults: 130+ Difficult Puzzles to Challenge Your Brain

It's only logical—boost your brainpower with more than 130 logic puzzles for adults.

It's time to give your mental muscles a real workout! Stuffed full of clever and cunning challenges, this collection of logic puzzles for adults is perfect for puzzlers looking to prove (and improve) their skill.

Featuring a variety of puzzle types—including Sudoku, Masyu, Logic Grids, and Nonograms—these easy-to-understand (but tough-to-solve) puzzles will help keep your mind sharp as you remain engaged an...