What happened to the animals before and during the war is glossed over. This book fills perfectly a gap in children's war literature and it's a subtle fable about asylum seekers.

It is late August 1939: Britain is on the brink of war, and preparations are under way to evacuate London's children to the countryside. When twelve-year-old Tilly and her best friend Rosy find out that they will not be able to take their beloved dog and cat with them and that, even worse, their pets will, along with countless other animals, be taken to the vet to be put down they decide to take...