Life is better when you're having fun! Stimulate your brain AND stay entertained solving these fun Sudoku Puzzles! The book measures 6.5" (w) x 8" (h) and comes spiral bound to easily flip between puzzles. -Puzzle pad measures 6" (w) x 8" (h) x 0.5" (d) -Comes wire-o bound for easy page flipping -Each page includes a Crossword puzzle on the front and the answer key on the back