Eva Leaf and Jess Leaf are sisters-in-law. Their husbands are brothers.
Eva and her husband work for the Navigators, a Christian charity. Eva also has a degree in Religious Education and has led many children events and conferences. Now she coordinates a publishing team and writes for children and adults.
Jess and her husband minister in the Anglican Church, Jess as an Authorized Lay Minister in Children's Work. She also has an HND in agriculture. For a while, she ran her own gardening business. 'The Great Big Surprise' is her first illustrated book.