| ISBN | 9781535275958 |
| Book Title | 600 Sudoku Puzzles. 300 Hard and 300 Extra Hard, with Solutions |
| Book Series | Sudoku Sage Ser. |
| Publisher | CreateSpace |
| Item Length | 11 in |
| Publication Year | 2016 |
| Format | Trade Paperback |
| Language | English |
| Item Height | 0.5 in |
| Author | Carl Sage |