The Icemark Chronicles is a series of books consisting of The Cry of the Icemark, followed by Blade of Fire, and Last Battle of the Icemark and the prequel called Prince Of The Icemark. The books were written by Stuart Hill from Leicester. Fox 2000 Pictures optioned the film rights to the book. The film was set to be produced by Courtney Pledger and Sarah Radclyffe, but it is unknown if or when it will be released. The books are published by Chicken House. Source: Wikipedia (en)