Matilda Rose Matilda Rose is the author of the When You Adopt series, which includes Pugicorn, Pandarina, and more adventures set in a fairy tale world featuring different magical pets. With important messages about sharing, kindness, trying your best, and being yourself, the When You Adopt books combine sparkle, fun, and heart. Rose lives in London. Tim Budgen is a freelance illustrator and art teacher. He's illustrated Pugicorn and the When You Adopt series, the Lizzie and Lucky series by Megan Rix, 20 Dinosaurs at Bedtime by Mark Sperring, and more amazing children's books. For much of his life he has been scribbling down ideas and can usually be found with a pencil in one hand and a sketchbook in the other. He lives by the sea on Hayling Island, England, with his wife, Julia.