Interlopers is a 2001 science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 novel by Alan Dean Foster

Alan Dean Foster

Alan Dean Foster is an American author of fantasy and science fiction. He currently resides in Prescott, Arizona, with his wife, and is also known for his novelizations of film scripts...

. The story centers on Cody Westcott, a young archeologist, who returns from a dig at Apachetarimac having studied the Chachapoyansthat race. In an attempt to reconstruct an ancient potion whose ingredients he discovers in the dig, his friend is murdered and he ends up drinking the only sample. He discovers that he can "see" strange creatures inhabiting the world, and that these creatures harm humans and cause feelings of hate and anger upon which they feed and multiply. These "Interlopers" or "Those Who Abide" also realize he can see them at the same time, and begin to conspire against him in order to stop his interruption of their feeding. They go so far as infesting his wife with numerous powerful Interlopers, and Cody must ally with an ancient society and visit several sites of mythical power in order to free her and bring a halt to the Interlopers' plans.

Interlopers has also been produced as an audio book, released on CD in November 2004 by Buzzy Multimedia, this unabridged edition is narrated by Ben Browder

Ben Browder

Robert Benedic "Ben" Browder is an American actor and writer, best known for his roles as John Crichton in Farscape and Cameron Mitchell in Stargate SG-1.-Early life:...

. Audio CD ISBN 0965725545

Reception

D'Amassa, Don in his review for Science Fiction Chronicle said "I've enjoyed almost every book I've ever read by Foster, so I sat down with this new one expecting an enjoyable read. For a while, it was exactly that, but then the internal logic of the story just fell apart for me."