Amy Bizzarri is an extreme Chicago history buff, and a freelance writer. She lives with her two children in a vintage 1910 home in the Logan Square neighbourhood of Chicago. When she's not writing, you'll most likely find her swimming laps at Holstein Park pool, riding her bicycle around Humboldt Park or sharing an atomic sundae at Margie's Candies.

David Gibb is a songwriter, musician, theatre maker and the author of Two Many Bubbles which published with Simon and Schuster.

Two Wheels is based on David’s experience of his Dad teaching him to ride a bike. He lives in Oxfordshire with his partner and young son.