Tracey Turner has written more than 30 books for children on a variety of subjects, from rude words to the entire history of the universe. Her books include the best-selling 101 Things You Need to Know, the acclaimed Comic Strip series, the hilariously funny World's Worst Jobs and many, many more. She lives in Bath with Tom and their son Toby. Harriet Russell studied illustration at Glasgow School of Art and Central Saint Martins in London where she completed her MA in 2001. She has created artwork for many clients in the UK, US and Europe. As well as commissioned work, Harriet has written and illustrated several of her own books, including several children's titles for Italian publisher Edizioni Corraini, whom she collaborates with regularly.