The Plant finder2000

Things aren't going well for Zenith House, Publishers. Their sales are failing and the company is about to go under when they are approached by Carlos Detweiller who has a book called True Tales of Demon Infestations he would like them to publish. After having his book rejected, Carlos sends them a "gift"--an ivy plant which is taken in and cared for by Riddley Walker (the company's mail clerk who pretends to be less educated than he is). The company experiences a sudden turnaround of fates but, as always, success doesn't come without a price