Shapeshifting snails on a mission to save the world! Struck by lightning one fateful night, Fergus and Shelby receive the power to transform into whatever they want: custard, crisp packets, giant plastic crabs – you name it, they can change into it. And with a slug uprising taking place, things are about to get even stranger... Can Fergus and Shelby save humankind from being turned into lettuces by an evil slug masquerading as the Prime Minister? Expect the unexpected in the best thing since sliced cucumber!



Terrie Chilvers writes funny chapter books and non-fiction. Her first book, Michael the Amazing Mind-reading Sausage Dog, was selected for the Blue Peter Book Club. She works freelance as a copywriter and social media consultant but is most happy when teaching a dog to high-five or taking a picture of her Eggs Benedict to post on Instagram. Terrie lives in London where she is the doting aunt to two long-haired sausage dogs.