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Brain-training Tips, Logic Tests, and Puzzles to Exercise your Mind
eBook - 2010
eBook - 2012
eBook - 2010
Brain Teasers, Games, and Activities for Hours of Fun
Book - 2003
Available
in some locations
Book - 1999
Available
in some locations
Online Journal or Article -
DVD - 2011
All copies in use
Availability details
Available
in some locations
Available
in some locations
Available
in some locations
Available
in some locations
Available
in some locations
Available
in some locations
Book - 2004
Available
in some locations
Available
in some locations
50 Fun Puzzles to Boost your Brain Juice Today With Crossword Puzzles
eBook - 2014
Book - 2014
Available
in some locations
eBook - 2017
Combinatorics, Probability, Algebra, Geometry, Topology, Chess, Logic, Cryptarithms, Wordplay, Physics and Other Topics of Recreational Mathematics
Book - 2006
Available
in some locations