The Cat in the Hat is one of the most popular characters in children's fiction, and this book is ideal for budding readers to tackle on their own. As part of a major rebrand programme, HarperCollins is relaunching Dr. Seuss's bestselling books, including such perennial favourites as The Cat in the Hat, Green Eggs and Ham and Fox in Socks. In response to consumer demand, the bright new cover designs incorporate much needed guidance on reading levels, with the standard paperbacks divided into three reading strands blue Back Books for parents to share with young children, Green Back Books for budding readers to tackle on their own, and Yellow Back Books for older, more fluent readers to enjoy.