In book thirteen, dogs are disappearing from the village, but the Seven are so busy arguing and falling out with each other that they don't even notice. Then poor Scamper becomes the latest victim and it's all systems go for the Secret Seven!

Solve the mystery! 

Cover and inside illustrations are by the brilliant Tony Ross, illustrator of David Walliams's books. The story was first published in 1951. This edition features the classic text and comes with a Bonus Blyton s