Famous Frog Sudoku 600 Puzzles With Solutions. 300 Hard and 300 Very Hard: A Bathroom Sudoku Series Book
| Country | USA |
| Brand | University of Michigan Library |
| Manufacturer | Scholarly Publishing Office, University of Michigan Library |
| Binding | Paperback |
| ItemPartNumber | RKC2007428754 |
| UnitCount | 1 |
| EANs | 9781425516994 |
| ReleaseDate | 0000-00-00 |