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 | Cengage Learning |
| Manufacturer | Cengage Learning |
| Binding | Paperback |
| ReleaseDate | 1979-11-15 |
| UnitCount | 1 |
| EANs | 9780827316843 |