Noah realises there will be a flood. The task of assembling the animals and people for the Great Ark is not an easy one, and it is Reuben, the animal trainer, who undertakes to solve this problem. He is accompanied by a lazy dog, a jealous camel and socially mobile cat in this adventure. Rosemary Harris was awarded the Library Association's Carnegie Medal for this book which is the first in "The Moon in the Cloud" trilogy. She also wrote "The Little Dog of Fo", "Beauty and the Beast" and "The Lotus and the Grail".