The prize is judged by authors and previous winners have included Jacqueline Wilson, Frank Cottrell Boyce, Ted Hughes, Philip Pulman and Meg Rosoff. Alex Wheatle is the 50th author to win the award and the first black writer.
Crongton Knights, which is available to borrow from the War Memorial Library, is the second in a planned trilogy. The first book in the series, Liccle Bit, is also available to borrow from the War Memorial Library.
To find out more about Alex Wheatle, who was awarded an MBE for services to literature in 2008, go to the Guardian website.