Volumes 9 and 10 - Dark Calling/Hell’s Heroes, , HarperCollins Publishers, Darren Shan,Children’s / Teenage fiction: Horror and ghost stories, chillers, or other scary supernatural stories,Children’s / Teenage fiction and true stories, boys;demons;darren;action;horror;blood;boy readers;adventure;vampires;guts;reluctant readers,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukboys;demons;darren;action;horror;blood;boy readers;adventure;vampires;guts;reluctant readers, [BLURB],[CITY],,books, ebooks, biblet, Book2look