Say Mercy (Alison Payne #12)

Say Mercy (Alison Payne #12) by Blake Pierce is out now, published July 15, 2026.

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Say Mercy (Alison Payne #12)
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Say Mercy (Alison Payne #12) Release Date: July 15, 2026

Published

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

Prison psychologist Dr. Alison Payne has interviewed hundreds of convicted killers, advocating for their release—or determining if they should remain behind bars.

But when those judging mental insanity are systematically targeted for retribution, Alison realizes a psychotic avenger is set loose. She must confront a truth more dangerous than any criminal mind—the killer’s identity hits closer to home than she dares to imagine.

SAY MERCY (BOOK #12) is the twelfth book 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 7,000 five star ratings and reviews. The series begins with SAY DIE (BOOK #1).

The Alison Payne mystery series is a page turning suspense ride, immersing you in a captivating cat-and-mouse game brimming with shocking twists. This refreshing take on the thriller genre features an ingenious female protagonist who can outsmart them all, and who is guaranteed to capture your heart. Fans of Rachel Caine, Karin Slaughter, and Melinda Leigh are sure to fall in love.

Future books in the series are also available!

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Genre: Thriller

Blake Pierce

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