FBI Agent Ella Dark has studied serial killers from the time she could read, devastated by the murder of her own father, and has gained an encyclopedic knowledge of murderers.

When murder victims are discovered sacrificed to the ancient elements, FBI Agent Ella Dark must delve into medieval mysticism and face a killer who orchestrates death like a twisted alchemist. Can she decode the arcane clues in time, or will she be consumed by a force as old as the earth itself?

GIRL, UNSEEN (An Ella Dark FBI Suspense Thriller) is book #23 in a long-anticipated new series by #1 bestseller and USA Today bestselling author Blake Pierce, whose bestseller Once Gone (a free download) has received over 20,000 five star reviews and ratings.

FBI Agent Ella Dark, 29, is given her big chance to achieve her life’s dream: to join the Behavioral Crimes Unit. Ella’s hidden obsession of gaining an encyclopedic knowledge of serial killers has led to her being singled out for her brilliant mind, and invited to join the big leagues.

But this time Ella finds herself in a cat and mouse chase with no way out, and she must wonder if she is hunting—or the one who is hunted….

A nail-biting and harrowing crime thriller featuring a brilliant and tortured FBI agent, the ELLA DARK series is a riveting mystery, packed with suspense, twists and turns, revelations, and driven by a breakneck pace that will keep you listening late into the night.

Future books in the series will soon be available.