The Ultimate Kenken Omnibus: 500 Easy to Hard Logic Puzzles That Make You Smarter

Perfect for solvers who just can't get enough, this colossal collection contains 500 easy to hard KenKen puzzles — perfect for novices and experts alike. 

Features:

· 500 easy-to-hard KenKen puzzles

· Edited by legendary New York Times crossword editor Will Shortz

· Big grids with lots of space for easy solving