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2 products
Matthew Donegan
Challenging Puzzles
Regular price $9.95 Sale price $7.96 Save $1.99
Charge up your cognitive power with these challenging conundrums! Featuring more than 200 illustrated, full-color puzzles-- including sudoku, logic problems, riddles, Latin squares, visual teasers, and math challenges--this collection lets you exercise your mind, whether you've got five minutes or an hour. The fun begins with moderately difficult brainteasers, but solving gets progressively harder as you go along and your skills develop.

Matthew Donegan
Beginner Puzzles
Regular price $9.95 Sale price $7.96 Save $1.99
Every one of the illustrated, full-color conundrums in this collection has been designed to train your mind . . . no matter how little spare time you have! The plethora of puzzles--more than 200--includes all the popular types: sudoku, logic sequences, riddles, Latin squares, visual teasers, and math challenges. As you work your way through, the problems grow from easy-peasy basic to medium difficulty. Who said exercise couldn't be fun?
