Will Shortz Presents 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

• Will Shortz Presents The Monster Book of KenKen: 300 Easy to Hard Logic Puzzles That Make You Smarter
• The New York Times Will Shortz Presents KenKen: 300 Easy to Hard Puzzles That Make You Smarter
• Stressless KenKen: 200 Mind-stimulating Logic Puzzles That Make You Smarter (Volume 1)
• Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make You Smarter
• Will Shortz Presents Wild KenKen: 200 Medium-Level Logic Puzzles That Make You Smarter
• KenKen: For Experts Only: 100 Challenging Logic Puzzles That Make You Smarter
• The New York Times Will Shortz Presents Sunday KenKen: 300 Challenging Logic Puzzles That Make You Smarter
• Will Shortz Presents I Can KenKen! Volume 1: 75 Puzzles for Having Fun with Math
• Brown Belt KenKen® (Martial Arts Puzzles Series)
• KenKen: For Experts Only, Volume 2