An Untapped Source Series by Amy Martinsen

Kate is a young CIA officer who’s made mistakes.The Agency is giving her a chance for redemption by letting her run U-Tap—a group of middle-aged moms believed to be an untapped source in the fight against terrorism. Put a tired-looking mom behind the wheel of a minivan and she becomes invisible…and the perfect spy.But Kate secretly fears she’s lost her instinct—that guiding voice that’s kept her safe in the world of espionage... moreKate is a young CIA officer who’s made mistakes.The Agency is giving her a chance for redemption by letting her run U-Tap—a group of middle-aged moms believed to be an untapped source in the fight against terrorism. Put a tired-looking mom behind the wheel of a minivan and she becomes invisible…and the perfect spy.But Kate secretly fears she’s lost her instinct—that guiding voice that’s kept her safe in the world of espionage.To run U-Tap, she must work with John, a handsome, experienced officer with a reputation that sends her self-doubts into overdrive.And when Kate discovers John has secrets of his own, she must trust her instincts or lose everything. less

A notorious Russian terrorist is hunting Kate. Aleksandr Zhuk is a sociopath who has evaded the CIA for decades. Kate humiliated him and now he wants revenge. And will stop at nothing to get it.Kate, John, and the U-Tap team of mom-spies must stop this ruthless killer before he releases a deadly chemical weapon on US soil... moreA notorious Russian terrorist is hunting Kate. Aleksandr Zhuk is a sociopath who has evaded the CIA for decades. Kate humiliated him and now he wants revenge. And will stop at nothing to get it.Kate, John, and the U-Tap team of mom-spies must stop this ruthless killer before he releases a deadly chemical weapon on US soil.Can Kate’s faith in God give her the strength to face this madman?Or will hundreds die with just one breath?Hold Your Breath is the riveting second book in Amy Martinsen’s romantic suspense series, An Untapped Source. If you like undeniable chemistry, page-turning tension, and Christian values in action, then you’ll love this thrilling second installment.Buy Hold Your Breath for an unstoppable read today! less

Who killed Nahla?This question haunts CIA Officer Kate Ross.Even after collecting a box full of evidence in a secret, obsessive manhunt, Kate isn’t able to discover who killed the most valuable agent she’s ever handled.When the box goes missing, Kate must go against all her spy training to find Nahla’s killer, propelling John and the U-Tap team on a harrowing race against time... moreWho killed Nahla?This question haunts CIA Officer Kate Ross.Even after collecting a box full of evidence in a secret, obsessive manhunt, Kate isn’t able to discover who killed the most valuable agent she’s ever handled.When the box goes missing, Kate must go against all her spy training to find Nahla’s killer, propelling John and the U-Tap team on a harrowing race against time.Will Kate find the killer, or will she suffer the same fate as Nahla? Loose Ends is the gripping third book in Amy Martinsen’s romantic suspense series, An Untapped Source. If you like undeniable chemistry, page-turning tension, and Christian values in action, then you’ll love this thrilling third installment. Buy Loose Ends for an unstoppable read today!* Loose Ends received an updated cover in 2023* less

Kate doesn’t know if the sound is human. What she does know is that she’ll never forget it.When Kate discovers her neighbor—the wife of a Pentagon employee—is a Russian spy, Kate must make the hard decision of becoming a double agent to catch her.Plunged into the deepest levels of espionage, can Kate convince the Russians she’s willing to betray her country?If she can’t, the Russian spy will go dark, never to be found . . . but not before she eliminates Kate... moreKate doesn’t know if the sound is human. What she does know is that she’ll never forget it.When Kate discovers her neighbor—the wife of a Pentagon employee—is a Russian spy, Kate must make the hard decision of becoming a double agent to catch her.Plunged into the deepest levels of espionage, can Kate convince the Russians she’s willing to betray her country?If she can’t, the Russian spy will go dark, never to be found . . . but not before she eliminates Kate.The Pitch is book four in the suspense series, An Untapped Source. If you like undeniable chemistry, page-turning tension, and Christian values in action, then you’ll love Amy Martinsen’s fast-paced novel.Buy The Pitch for an intense ride you won’t want to end! less