Difficult Riddles For Smart Kids: Science and Technology Edition: 350 Fun Brain-Stumpers For Kids and Families: Ages 8 and up (7-9, 9-13+) (Eleven Worlds to Explore)
| Country | USA |
| Brand | Dover Publications |
| Manufacturer | Dover Publications |
| Binding | Paperback |
| ItemPartNumber | 9780486266824 |
| ReleaseDate | 1991-01-01 |
| UnitCount | 1 |
| UPCs | 800759266821 |
| EANs | 9780486266824 |