Sarah Oliver is from Widnes in Cheshire. She's written over twenty-five books, and is best known for her Justin Bieber, Lionel Messi, One Direction and Robert Pattinson biographies. Her books include the Sunday Times best-selling One Direction A-Z and Taylor Swift: Everything Has Changed. Sarah has also written books about superheroes and villains, how to be a successful rugby player, and a guide to the Hobbit movies. This is Sarah's second picture book. Her first, The Best World Book Week Ever, has become a firm favourite in primary schools in the lead-up to World Book Day. In her spare time, she enjoys spending time with her husband Jon and their three children. Sarah is a Christian and is passionate about helping children in care. To find out more about Sarah, or to book her for an author talk in your school or library, please visit www.saraholiverauthor.co.uk. You can also get in touch with Sarah via Twitter - @SarahOliverAtoZ.