Steven Clontz

It’s only rational to increase your mental capacity by solving more than 130 logic puzzles for grownups.

It’s time to put your cerebral muscles through a serious exercise. This collection of logic puzzles for adults is jam-packed with ingenious and cunning problems that will test (and develop) the abilities of puzzlers of all ages.

The problems in this book are easy to comprehend (but difficult to answer), and you’ll be able to keep your mind sharp while remaining interested and delighted for days on end. Sudoku, Masyu, Logic Grids, and Nonograms are among the puzzle types included. Put your thinking caps on!