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 | new-20170302-c0022728 |
| Color | Black |
| ReleaseDate | 2010-04-27 |
| UnitCount | 1 |
| UPCs | 884337123546 |
| EANs | 9780143117469 |
