Take those neurons on a wild ride! Packed with hundreds of brilliantly designed puzzles, games, and mental conundrums in full color, this lively, interactive calendar will stimulate, stretch, and entertain your brain, all year long. Figure out sequences in Dot Matrix. Deduce the secret word in Letter Swap. Untangle mangled phrases in Lost in Translation. Plus word searches, spatial challenges, logic games, stunning ambigrams, ingenious riffs on Sudoku, and more. From puzzle whiz Scott Kim, who is a frequent contributor to "Games" magazine and puzzle columnist for "Discover" magazine.