Jeanne Willis left a career in advertising to become a full-time writer. She has published more than sixty books for children, including the Dr. Xargle series of picture books and SLEEPOVER! THE BEST EVER PARTY KIT. When she's not writing, Jeanne Willis likes to spend time gardening, reading nonfiction, and collecting caterpillars. She lives in North London with her husband and two children.
Jan Fearnley was born and raised in the northeast of England, the youngest of six children. Before becoming a full-time writer and illustrator, she worked as a teacher and literacy advocate. Jan Fearnley is the author-illustrator of many books for children, including JUST LIKE YOU and WATCH OUT! She lives in England with her husband and two Cornish Rex cats.