. "Dell Original Sudoku, at 112 pages, contains 182 puzzles falling into the following solving levels: 66 Easys, 66 Mediums, 42 Hards, and 8 Challengers, including 2 with a 16 x 16 grid, which have run under the name Number Place Challenger in Dell's other titles. >Select a term below for both new and renewal subscriptions." . . . .