Dark Assassin, , HarperCollins, Joseph Delaney,Children’s / Teenage fiction: Action and adventure stories,Children’s / Teenage fiction and true stories, ghosts; witches; evil; fighting evil; last apprentice; seventh son; good books; series; england; thriller books; ya books; roman; horror books; fantasy books; books for teens; coming of age fantasy; scary books; europe; scary stories; horror stories; monsters; ya fantasy; gods; starblade chronicles; middle grade; spooks; joseph delaney; action books for girls; action books for teens; fun books for teens; adventure stories; action and adventure; horror stories for teens; scary stories for teens; scary stories for teenagers; horror stories for teenagers,, , United States, en-UShttps://www.harpercollins.comghosts; witches; evil; fighting evil; last apprentice; seventh son; good books; series; england; thriller books; ya books; roman; horror books; fantasy books; books for teens; coming of age fantasy; scary books; europe; scary stories; horror stories; monsters; ya fantasy; gods; starblade chronicles; middle grade; spooks; joseph delaney; action books for girls; action books for teens; fun books for teens; adventure stories; action and adventure; horror stories for teens; scary stories for teens; scary stories for teenagers; horror stories for teenagers, [BLURB],[CITY],,books, ebooks, biblet, Book2look