The Hardest Logic Workbook for Gritty Kids: Spatial Reasoning, Math Puzzles, Word Games, Logic Problems, Focus Activities, Two-Player Games. (Develop ... & STEM Skills in Kids Ages 10, 11, 12.)
| Country | USA |
| Brand | Simon & Schuster |
| Manufacturer | Simon & Schuster |
| Binding | Hardcover |
| ItemPartNumber | colour plates |
| ReleaseDate | 2014-06-10 |
| UnitCount | 1 |
| EANs | 9781476751443 |