The number one best-selling series! 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?

Left to Ruin is book 16 in the number one best-selling FBI thriller series featuring Adele Sharp (the series begins with Left to Die, book 1) by USA Today best-selling author Blake Pierce, whose number one best seller 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 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 flipping pages late into the night. Fans of Rachel Caine, Teresa Driscoll, and Robert Dugoni are sure to fall in love.