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 | HarperCollins |
| Manufacturer | Zonderkidz |
| Binding | Hardcover |
| ItemPartNumber | 178938 |
| ReleaseDate | 2018-01-02 |
| UnitCount | 1 |
| Format | Illustrated |
| EANs | 9780310761396 |
