Stanley's a champion hamster and he's favourite to win the Doveton Summer Show. But behind the scenes, rival owners are plotting, and when Stanley escapes from his cage just before judging begins, Helen and Hannah suspect foul play. The twins vow to find him - but Stanley's not so keen to be found.
Jenny Oldfield was born in 1949 and brought up in Harrogate, Yorkshire, and studied English at Birmingham University.
She has written a large number of books for both children and adults, including the Home Farm Twins, Animal Alert, and Half Moon Ranch series. A horse enthusiast, many of her novels feature horses and are popular among young horse fans.