Once upon a time, in a kingdom far away, there lived an elf. The elf was a shoemaker, and her shoes were admired around the kingdom. The elf was confident at her job, until one day the Princess ordered a pair of shoes for the Royal Ball. Putting pressure on herself and comparing her work to her friends' on 'Elfstagram', the elf is worried that her shoes will not be perfect. The Elf, The Princess and the Impossible Shoe explores childhood perfectionism and the anxiety that it can cause, and offers children aged 5+ effective tools to deal with their feelings. It also contains a guide for parents and professionals, giving expert advice on how to use the book to aid discussion on this topic.