135 Hair-pulling puzzles to boost your brainpower--they\'ll blow your mind Complex crosswords, cryptic cryptograms, unsolvable Sudoku--they\'re all here to confound and delight you Unlike other puzzle books for adults, Only the Hardest Puzzles presents the broadest selection of absolute brain busters that makes solving super challenging and super entertaining--even for seasoned puzzle fanatics.
Featuring dozens of epic head-scratchers, Only the Hard. 135 Hair-pulling puzzles to boost your brainpower--they\'ll blow your mind Complex crosswords, cryptic cryptograms, unsolvable Sudoku--they\'re all here to confound and delight you Unlike other puzzle books for adults, Only the Hardest Puzzles presents the broadest selection of absolute brain busters that makes solving super challenging and super entertaining--even for seasoned puzzle fanatics
