I. Williams: An Iris Williams and Annette Toni Novel, Second Edition (The Twins Book 3)

Inseparable twin sisters Stacey and Jannifer McHill were known for their beauty and charm, but behind their innocent facade lies a twisted secret. When a series of brutal murders begins to plague Upper Manhattan, the twin's true nature is revealed. Driven by a shared need for revenge, Stacey and Jannifer McHill embark on a twisted killing spree that will shock the citizens of New York City. Detective Iris Williams is assigned to the case, a case that will challenge her sanity. Will Detective Williams stop the murderous twins before the city explodes in an all-out panic?