The nation's no. 1 newspaper presents puzzle-smiths the ultimate cranium conundrum collection with USA TODAY Jumbo Puzzle Book Super Challenge 2. The USA TODAY Jumbo Puzzle Book Super Challenge 2 is an eclectic mix of brain games including puzzles such as crossword, logic, Sudoku, and much more. This hefty edition features twice the number of puzzles than most books and for just a few dollars more. Sharpen your pencils and get ready for challenging and exciting fun!.