

An evil king is turning ancient tensions into modern strife, using a blend of magic and technology to push the earth and the otherworld into a mortal competition.

Jackaby and his intrepid assistant, Abigail Rook. The fate of the world is in the hands of detective of the supernatural R. Jackaby, supernatural detective, and his indispensable assistant, Abigail Rook, are plunged into the heart of an apocalyptic war between magical worlds in the action-packed fourth book in the New York Times bestselling Jackaby series by William Ritter.
