How it Works: Tractor: How It Works

Amelia Hepworth lives in London with her family and her elderly sausage dog, Katie. When she is not writing stories, she enjoys spending time with her little boy and daydreaming outside. Usually not at the same time. Amelia is the author of the best-selling I Love You to the Moon and Back.

David Semple was born in the North East of England in the early 70's. After studying illustration he enjoyed a stint working in the TV & Film industry in London painting latex puppets & prosthetics! Since then a pencil has never been far from his hand and he has designed and illustrated characters for a wide range of clients across the globe. He lives in York with his designer wife Kate, their three children, and Olive the dog.