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 | Random House Books for Young Readers |
| Manufacturer | Penguin Books |
| Binding | Paperback |
| ItemPartNumber | 33603818 |
| Color | White |
| ReleaseDate | 2011-12-27 |
| UnitCount | 1 |
| Format | Illustrated |
| EANs | 9780143120612 |