Mardock Scramble is a Japanese novel series written by Tow Ubukata. The first novel was published in Japan in May 2003, with the final novel published in July 2003. They were later adapted into a manga series and an anime film trilogy. In North America, Viz Media licensed the novels and published all three in one volume. Kodansha USA published the manga series in English, and Sentai Filmworks released anime films on DVD and Blu-ray Disc.