A new serial killer strikes, and FBI Special Agent Adele Sharp can’t shake the feeling that he is masquerading as normal, and right before her eyes. In a mad race against time, Adele must ask herself: who is she overlooking? And how does he blend in?

“A masterpiece of thriller and mystery.”—Books and Movie Reviews, Roberto Mattos (re Once Gone)

LEFT TO RUIN is book #16 in the #1 bestselling FBI thriller series featuring Adele Sharp (the series begins with LEFT TO DIE, book #1) by USA Today bestselling author Blake Pierce, whose #1 bestseller Once Gone (a free download) has received over 1,000 five-star reviews.

FBI Special Agent Adele Sharp—a German-and-French raised American with triple citizenship—is made to criss-cross America and Europe to bring criminals to justice. But this case is truly testing her, and as more bodies begin to appear, Adele is forced to consider: is everything really as it seems?

Or could this killer be hiding in plain sight?

A page-turning and harrowing crime thriller featuring a brilliant and tortured FBI agent, the ADELE SHARP series is a riveting mystery, packed with non-stop action, suspense, twists and turns, revelations, and driven by a breakneck pace that will keep you listening late into the night. Fans of Rachel Caine, Teresa Driscoll and Robert Dugoni are sure to fall in love.

“An edge of your seat thriller in a new series that keeps you turning pages! ...So many twists, turns and red herrings… I can't wait to see what happens next.”—Reader review (Her Last Wish)

“A strong, complex story about two FBI agents trying to stop a serial killer. If you want an author to capture your attention and have you guessing, yet trying to put the pieces together, Pierce is your author!”—Reader review (Her Last Wish)