from the back cover: People love and need animals. They keep them in their homes and on their farms. They enjoy going to zoos, and watching animals on films and on TV. Little children love to play with toy animals. But people are a great danger to animals too. They take their land, and cut down the trees where animals have their homes. They pollute the rivers and seas, and kill big animals …
from the back cover: San Francisco lies under a cloud of radioactive dust. People live in half-deserted apartment buildings, and keep electric animals as pets because so many real animals have died. Most people emigrate to Mars - unless they have a job to do on Earth. Like Rick Deckard - android killer for the police and owner of an electric sheep. This week he has to find, identify, and kill …