Sally Gardner's enchanting new series, illustrated by Nick Maland, is a fairy tale full of traditional ingredients. When Betsy K. Glory, the daughter of a mermaid and an ice-cream maker, meets the mysterious Mr Tiger they have a giant challenge: a moon to turn blue, berries to collect and wishable-delicious ice-cream to create. The sort that makes wishes come true.

With Mr Tiger and his troupe of Gongalong circus acrobats, a toad under a spell, a lonely giant, and Mum and Dad, Betsy sets off on her quest.

This book will be printed in blue ink in Dyslexie, a font specially designed to make reading easier - and more fun. Sally is the founder of NuWord, which champions positive debate about dyslexia.