Vurt
by Lauren Beukes
Vurt tells the story of Scribble and his "gang", the Stash Riders, as they search for his missing sister Desdemona. The novel is set in an alternate version of Manchester, England, in which society has been shaped by Vurt, a hallucinogenic drug/shared alternate reality, accessed by sucking on colour-coded feathers. Through some (never explained) mechanism, the dreams, mythology, and imaginings of humanity have achieved objective reality in the Vurt and become "real".
Before the novel begins, Scribble and his sister take a shared trip into a vurt called English Voodoo, but upon awakening Scribble finds his sister has disappeared. Out of that trip comes an amorphous semi-sentient blob which Mandy, a fellow Stash Rider, nicknames "The Thing from Outer Space". From that point on, Scribble is on a mission to find a rare and contraband Curious Yellow feather so that he might find his sister.