Order

GREY GRIFFINS CLOCKWORK CHRONICLES

The Brimstone Key
* Paperback: Grey Griffins: The Clockwork Chronicles #1: The Brimstone Key (The Grey Griffins)
* Hardcover: Grey Griffins: The Clockwork Chronicles #1: The Brimstone Key
* Kindle: Grey Griffins: The Clockwork Chronicles #1: The Brimstone Key

The Relic Hunters
* Hardcover: Grey Griffins: The Clockwork Chronicles #2: The Relic Hunters
* Kindle: Grey Griffins: The Clockwork Chronicles #2: The Relic Hunters

The Paragon Engine
* Hardback: Coming May 2012

GREY GRIFFINS TRILOGY

The Revenge of the Shadow King
* Hardcover: Grey Griffins #1: The Revenge Of The Shadow King
* Audiobook: Revenge Of The Shadow King Audio (Grey Griffins)

The Rise of the Black Wolf
* Hardcover: The Rise of the Black Wolf (Grey Griffins, Book 2)

The Fall of the Templar
* Hardcover: Fall Of The Templar (Grey Griffins)