The author balances the personal relationships and the mystery well.

Fans of Dani Pettrey’s “Alaskan Courage” thrillers will enjoy this nail-biter of a series opener, which will also be appreciated by romantic and psychological suspense fans.

Leigh’s ability to rescue herself, Ryan’s respect and support, and a terrific cast of law-enforcement and hospital personnel make this vivid start of Blackburn’s Dive Team Investigations series a real page-turner.Lynn Blackburn has skyrocketed to the top of my favorite romantic suspense authors list! In Too Deep was much anticipated and it did not disappoint! I literally devoured this book in one sitting! Filled with suspense, action, and danger, this book kept me anxiously wondering what would happen next! I love the balance between suspense and romance! And this gang of characters, the dive team, is everything! BringingUpBooks.Cara Putman Award-wining author of Flight Risk and Imperfect Justice It's a perfect read for those who love engaging stories that are threaded with hope. And the romance? It's perfection, with tension to keep me rooting for the characters. The suspense thread is intense and pulses with energy and pressure. The hero and heroine are unique and compelling, while surrounded by a rich cast that adds depth to the story. In Unknown Threat, Lynn Blackburn has created a page-turning novel with all the elements I've come to love in her books.Unknown Threat is an exciting start to a thrilling new romantic-suspense series! Elizabeth Goddard Award-winning author of the Uncommon Justice series The swoon-worthy romance between Faith and Luke is the perfect slow burn. I love the attention to detail regarding Secret Service operations.

I absolutely adore Faith, the bright and stalwart FBI special agent. Blackburn has an exceptional gift for weaving twisting plots with characters that walk right off the page.

Unknown Threat is a fantastic read! An action-packed opening and sharply drawn characters drew me right in and held me captive.

Ronie Kendig Bestselling, award-winning author of The Tox Files

This heart-racing romantic suspense is one for the keeper shelf! Don your tactical vests and get ready to engage a compelling story that will forbid you from abandoning its pages. Blackburn's Defend and Protect series is off with a bang in Unknown Threat.This book will grab you from the beginning and keep you captivated until the end.Malicious Intent has an addictive plot that delves into the dangerous underworld of digital crime, and the protagonists’ chemistry, brewed during a lifetime of friendship and romantic longing, positively sizzles.

Rooms by james rubart