Michael C. Grumley

Mike Mansfield’s cases are never easy. They’re dangerous and unpredictable, but there are patterns. Patterns in how criminals act and how they think. But this time, something is off. After a recent rescue, the emerging details seem very odd to Mansfield. Of his three culprits, one has no...

Political and social infighting threaten to destroy the world. Rancor and hatred only grow stronger, engulfing entire nations. And each day moral and economic strife brings embroiled countries ever closer to war. But hope is not dead. Everywhere, pockets of honor and compassion continue to...

In 1984, a doomsday vault was constructed on a remote island in the Arctic Ocean. Its purpose was to preserve Earth's genetic history in the event of a global catastrophe. Now, decades later, a second vault has been uncovered, this one resting where no one ever expected. And the problem is it's...

Under a light rain, Mike Mansfield stands stoically beneath a large elm tree, waiting patiently for the person he has been searching for. Burly and in his mid-fifties, Mansfield was what some might call chaotically good—a person with an unshakable sense of right and wrong, and a very unique...

One small handwritten letter, sent from a distant corner of the planet and lost in the system for sixty years … is about to change the entire human race. Outside Denver, Colorado, Joe Rickards stands over a small aircraft wreckage, studying burnt remains still smoldering in a field of...

This program is read by multi-award-winning narrator Scott Brick. From the bestselling author of the Breakthrough series: In his next near-future thriller, Michael C. Grumley explores humanity’s thirst for immortality—at any cost... “A fast-paced juggernaut of a story, where revelations...

Half a century ago, an aberration was spotted by one of our earliest satellites, and summarily dismissed as a hardware malfunction. But it was no aberration. And no malfunction. It was an accidental glimpse of something extraordinary, and very old....

One small handwritten letter, sent from a dark, remote corner of the planet and lost in the system for 60 years, is about to change the entire human race....

One of the most stunning abilities ever seen...has just been born into the eyes of a six-year-old girl. For one very special reason....

One of mankind's greatest secrets... has been hiding in plain sight for three thousand years. Half a century ago, an aberration was spotted by one of our earliest satellites, and summarily dismissed as a hardware malfunction. But it was no aberration. And no malfunction. It was an accidental...

It was one of the greatest breakthroughs in human history. An achievement that stunned the entire world. And it was only the beginning. Facing the cold, clear glass, Alison Shaw stared nervously into the giant seawater tank. It was just one year ago that she and her team of marine biologists...

This program is read by multi-award-winning narrator Scott Brick. AN EXPANSIVE NEW STANDALONE THRILLER IN MICHAEL C. GRUMLEY’S REVIVAL SERIES, EXPLORING HUMANITY’S THIRST FOR IMMORTALITY AT ANY COST. Technology never works well the first time. Or even the second. Army veteran John Reiff is...

It began in Ethiopia, hundreds of thousands of years ago, when a handful of genetic mutations caused evolution to split from the primates and mankind was born. Now, eons later, evidence of more splits from the apes is being unearthed. And with them, a disturbing realization. Ours was only one of...

Mike Mansfield is back, trying to help a grieving family make sense of a terrible tragedy. However, to his surprise, the details of the event don’t entirely make sense, not from the family, the police, nor the official report. Something about the story doesn’t fit, but Mansfield has no idea...

The world has changed, both for the better and the worse. Forcing our values to be reassessed, and our very existence rethought. It began with a breakthrough. In interspecies communication. Leading both John Clay and Alison Shaw through a series of startling discoveries and life-altering...

One of the greatest breakthroughs in human history. A secret that was never supposed to be found. And a crisis that cannot be stopped. Deep in the Caribbean Sea, a nuclear submarine is forced to suddenly abort its mission under mysterious circumstances. Strange facts begin to emerge that lead...

It began with a breakthrough. In interspecies communication. Leading both John Clay and Alison Shaw through a series of startling discoveries and life-altering revelations. Divulging who we really are as a species. Why we are here...and who is here with us....

Two weeks after his 18th birthday, everything changes for Evan Nash. When he injures his head after being run down on his bicycle, he begins having strange, harrowing visions....