She's done it again! For the fourth year in a row, Jacqueline Wilson is the most-borrowed author in the UK's libraries.
The Tracy Beaker writer's books were taken out almost two million times between July 2005 and June 2006.
Other kids' writers - including Roald Dahl and Janet and Allan Ahlberg - made it into top 10.
JK Rowling's Harry Potter got a mention too, with Half-Blood Prince being the most-borrowed children's book.
Tracy Beaker - the story of a girl in care - has been turned into a CBBC drama, a TV film and a musical.
She is one of Jacqueline's most popular characters. Her other books include Clean Break, Best Friends and The Diamond Girls.