An old foe has returned for revenge.but Lexi Mills never backs down from a fight.

When chaos erupts at a local grocery store in a quiet town near Sacramento, police arrive to discover a horrifying scene-explosive devices trapping a crowd of civilians inside the store, ready to detonate at the push of a button. After ATF explosives expert Lexi Mills arrives on the scene, she quickly realizes that this hostage situation runs far deeper than she imagined.

Locked in a desperate struggle with a vengeful madman while racing against the clock, Lexi must use all of her cunning to rescue the innocent hostages; a situation that forces her to grapple with impossible questions.

But her enemies aren't going down without a fight, and Lexi will need to put her life on the line and push her skills to their limits if she wants to get everybody out unscathed.

The second novel in the highly-anticipated new series from by award-winning writer and retired US Air Force officer Stacy Lynn Miller, collaborating with former detective and WSJ Best Selling author Brian Shea. PROXIMITY is a propulsive action thriller with a fearless heroine, perfect for fans of Lee Child and David Baldacci.