| GMD | Text |
| Classification | 590.723 VAL |
| Publisher | New York, Alfred A. Knopf, c2018. |
| Subject | Procter, Joan.London Zoo (London, England) -- Juvenile literature.Zoo keepers -- Biography -- Juvenile literature. |
| Description | 1 v ; col ill ; 26 cm. |
| ISBN | 9780399557255 |