: Crossword-style puzzles that utilize numbers instead of letters.
: Miniature crosswords where every letter of the alphabet is used exactly once. Brain Teasers: 211 Logic Puzzles, Lateral Think...
is a comprehensive activity book designed to boost cognitive performance. Released in 2009 by Skyhorse Publishing , the collection was authored by Ian Livingstone—a co-founder of Games Workshop—and puzzle expert Jamie Thomson. Key Content & Puzzles : Crossword-style puzzles that utilize numbers instead of
: Mathematical problems that require decoding symbols or letters. Target Audience & Benefits Brain Teasers: 211 Logic Puzzles, Lateral Think...