The Nation's Newspaper offers puzzlesmiths the ultimate cranium compendium boasting five challenging mind teasers.The Nation's Newspaper offers puzzlesmiths the ultimate cranium compendium boasting five challenging mind teasers.USA TODAY has collected five popular game formats into one book, including: Logic Puzzles, Crossword, Killer Sudoku, and Hitori.Complete with 400 puzzles (that's twice the size of comparable game books), USA TODAY Jumbo Puzzle Book includes an introductory chapter that offers solution tips as well as a concluding chapter that reveals all the answers.