The Christmas Pig

J.K. Rowling is the author of the seven Harry Potter books, which have sold over 500 million copies, been translated into over 80 languages, and made into eight blockbuster films. She also wrote three short series companion volumes for charity, including Fantastic Beasts and Where to Find Them, which later became the inspiration for a new series of films. Harry's story as a grown-up was later continued in a stage play, Harry Potter and the Cursed Child, which J.K. Rowling wrote with playwright Jack Thorne and director John Tiffany.

In 2020, she returned to publishing for younger children with the fairy tale The Ickabog, which she initially published for free online for children in lockdown, later donating all her book royalties to help vulnerable groups affected by the Covid-19 pandemic.

J.K. Rowling has received many awards and honours for her writing, including for her detective series written under the name Robert Galbraith. She supports a wide number of humanitarian causes through her charitable trust Volant, and is the founder of the children's care reform charity Lumos.

For as long as she can remember, J.K. Rowling wanted to be a writer, and is at her happiest in a room, making things up. She lives in Scotland with her family.

Jim Field is a lead-driven, pencil-pushing, 25-frames-per-second Led Zeppelin fan. He is also a hugely talented award-winning illustrator, character designer and animation director. He has worked on a variety of projects, from music videos and title sequences to advertising and books.

His first picture book Cats Ahoy! won the Booktrust Roald Dahl Funny Prize and was nominated for the Kate Greenaway award. He has since illustrated a string of bestselling, multi-award-winning children's books, including Oi Frog! and The Lion Inside, as well as young fiction series Rabbit and Bear, middlegrade novels by David Baddiel and his debut author-illustrator picture book Monsieur Roscoe - On Holiday, a bilingual book that introduces first French words. He grew up in Farnborough, worked in London and now lives in Paris with his wife and young daughter.