Childcraft - The How and Why Library - 1987 Edition (World Book Inc., CHILDCRAFT The How and Why Library - 15 Volume Set, Volume 1-15)
| Country | USA |
| Brand | Crabtree Publishing Company |
| Manufacturer | Crabtree Classics |
| Binding | Paperback |
| ItemPartNumber | colour photos |
| UnitCount | 1 |
| Format | Illustrated |
| EANs | 9780778719076 |
| ReleaseDate | 0000-00-00 |