from the back cover: When Ping sees Hanno in the zoo, he is excited, but also unhappy. Hanno is a magnificent African gorilla, big and black and much stronger than a man. But how can this wonderful wild animal live in a cage, behind bars and locked doors? Then Hanno escapes from the zoo. And a few days later his footprints are seen near Green Knowe, the old house deep in the English country…
from the back cover: 'I like work. I find it interesting . . . I can sit and look at it for hours.' With ideas like this, perhaps it is not a good idea to spend a holiday taking a boat trip up the River Thames. But this is what the three friends - and Montmorency the dog - decide to do. It is the sort of holiday that is fun to remember afterwards, but not so much fun to wake up to early on a …