Do you want a Sudoku puzzle book that isn't too easy but not too tough? Do you want a handy sized paperback puzzle book that you can slip into your pocket? Then Smack In The Middle Sudoku Puzzles could be just what you need. If you want more practice at solving those medium sudoku puzzles that are more of a challenge than beginner level then you need this middling set of puzzles. This book contains 150 fun puzzles that are all aimed at the intermediate level. They are printed one to a page with room for you to jot your notes. And all the solutions are printed at the end of the book.