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 | Penguin |
| Manufacturer | Penguin Books |
| Binding | Paperback |
| ItemPartNumber | 9780140194739 |
| Color | Multicolor |
| ReleaseDate | 1999-08-01 |
| UnitCount | 1 |
| EANs | 9780140194739 |