Why Does the World Exist?: An Existential Detective Story
| Country | USA |
| Brand | Random House Books for Young Readers |
| Manufacturer | Random House Publishing Group |
| Binding | Paperback |
| ItemPartNumber | forms |
| Color | Multicolor |
| ReleaseDate | 1996-02-20 |
| UnitCount | 1 |
| EANs | 9780679770008 |