by Alan Cockerill (Author) An attractively formatted Sudoku puzzle book containing 96 puzzles of medium difficulty. The introduction includes brief instructions on how to play, and solutions to all puzzles are included at the end of the book. This is the third book (ISBN: 978-0-6480782-6-5) in a series of four books. The other three books are 'Sudoku skill builder', which contains 96 puzzles at three levels of difficulty (book 1, ISBN: 978-0-6480782-4-1), 'Sudoku: 96 easy puzzles', containing 96 easy puzzles for busy people (book 2, ISBN: 978-0-6480782-5-8), and 'Sudoku: 96 hard puzzles', containing puzzles that are diabolically difficult (book 4, ISBN: 978-0-6480782-7-2). Number of Pages: 128 Dimensions: 0.27 x 9 x 6 IN Publication Date: June 17, 2019