How It Works: Things That Go 3-Book Boxed Set: Digger; Rocket; Tractor - Hardcover

Molly Littleboy lives in a tiny apartment in London with more plants than she really has space for. She is lucky enough to have her dream job in children's publishing, where she gets to edit, write, and spend time finding words that rhyme. Her favorite things are lazy Sundays, detective stories, and petting other people's dogs.

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.