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 |
| Manufacturer | Doubleday |
| Binding | Hardcover |
| ReleaseDate | 1989-07-01 |
| UnitCount | 1 |
| EANs | 9780385261364 |