This year’s shortlist for the Prize also included Gina Kaminski Saves the Wolf by Craig Barr-Green and Francis Martin (Little Tiger), Geoffrey Gets The Jitters by Nadia Shireen (Puffin), Gigantic by Bob Biddulph (HarperCollins Children's Books) and The Hare-Shaped Hole by John Dougherty and Thomas Docherty (Frances Lincoln Children's Books).
The award, now in its eleventh year, was set up by James Ashton and Viveka Alvestrand - named in memory of their son Oscar, who was three-and-a-half when he died from an undiagnosed heart condition - and celebrates the joy and magic picture books can bring to young children.