London : 1940. As bombs rain down ont he city, little Eric forms an extraordinary friendship with a huge gorilla: Gertrude. But when the zoo becomes dangerous Eric must go on a adventure to rescue Gerturde... and save the day.
- Pages
- 480
- Published
- 2020
- Publisher
- HarperCollins Children's Books
- Language
- English
- ISBN
- 9780008305833