Outside In (Isla Rivers #12)

A book by Blake Pierce

Coming Soon

Expected release date: July 20, 2026 

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Outside In (Isla Rivers #12) Release Date: July 20, 2026
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“A masterpiece of thriller and mystery.”
—Books and Movie Reviews, Roberto Mattos (re Once Gone)
⭐⭐⭐⭐⭐

Unearthed amid the bricks of Duluth’s storied Armory are corpses brandishing weapons from different epochs, pulling FBI Agent Isla Rivers into a serial killer’s historical vendetta. She must journey through time-worn mysteries to prevent the pages of history from scripting new tragedies in blood.

OUTSIDE IN 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 OUTSIDE THE ROOM (book #1).

The Isla Rivers series is a riveting mystery series brimming with suspenseful cat-and-mouse dynamics and unexpected turns that will send shivers down your spine. Its enthralling female lead will capture your affections and keep you engrossed in the pages long after you turn out the lights. Fans of Lisa Regan, Lee Child, and Mary Burton are sure to fall in love.

Future books in the series are also available!

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Genre: Thriller

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