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What's New
Available Now!

Roaring Shadows (The Gardella Vampire Hunters series book 8; Macey series book 2). Available at all major vendors!

Coming Soon!

The Chess Queen Enigma (Stoker & Holmes, book 3). Available Oct 6. Pre-order today!

Oct 11, 2015

Colleen will be at New York Comic-Con! 

Book signing at the Chronicle Books Booth at 1:00 pm.

Speaking on the panel “Geek: Constructing Fandoms” at 3:00 pm.