Darren Shan 
Demonata 6-10 (Demon Apocalypse; Death’s Shadow; Wolf Island; Dark Calling; Hell’s Heroes) [EPUB ebook] 

Books 6-10 in the demonic masterpiece from the No.1 Master of Horror — Darren Shan.When Grubbs Grady first encounters Lord Loss and his evil minions, he learns three things:The world is vicious.Magic is possible.Demons are real.He thinks that he will never again witness such a terrible night of death and darkness….He is wrong.Enter the terrifying world of the Demonata and get ready for a whole new dimension of fear.Includes: DEMON APOCALYPSE, DEATH’S SHADOW, WOLF ISLAND, DARK CALLING and HELL’S HEROES.