Old Earth, Gary Grossman
Old Earth, Gary Grossman
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Old Earth

Author: Gary Grossman

Narrator: Michael Kirby

Unabridged: 13 hr 29 min

Format: Digital Audiobook Download

Published: 03/10/2026


Synopsis

Gary Grossman, author of the wildly popular Executive series, returns with a high-octane thriller that digs into the history of the Earth to find the secrets people are willing to kill to keep concealed.

In the summer of 1601, Galileo Galilei made a startling discovery in the mountains of Eastern Italy that, if made public, could shatter faith in religion, bring down governments, and lead to worldwide turmoil.

For more than 400 years the secret has been guarded by a small group of incredibly powerful people, willing to do everything in their power to keep these discoveries from being made. But now, a university dig in Montana headed by paleontologists Quinn McCauley and Katrina Alpert threatens to expose the secret Galileo unearthed, the event that caused him to turn his study to the stars, and the hidden reason the scientist was convicted of heresy by the Inquisition.

McCauley and Alpert find themselves in a global game of cat-and-mouse, seeking answers for a mystery that has endured for centuries, hunted for what they might discover.

Old Earth weighs age-old arguments between science and religion in a tense thriller that spans time and questions recorded history.

Reviews

Goodreads review by Magdalena on April 11, 2016

Galileo Galilei makes in 1601 a discovery in the mountains of eastern Italy that could cause turmoil in the world; that could bring down governments and shatter people's faith in religions. In the present time, a group of people on a university dig in Montana headed by paleontologist Quinn McCauley s......more

Goodreads review by Cherei on February 06, 2015

Truly a mind boggling adventure! If you love thrillers.. 'Old Earth' by Gary Grossman is a MUST READ in 2015! If you love adventure, dinosaur digs, and Vatican mysteries, secret organization, and Galileo! This book is for you! 'Old Earth' by Gary Grossman was very well written. I have never read the......more

Goodreads review by Elisa on May 20, 2017

Too slow to get started and way too much exposition for it to get going. I don't really need to know or care about the names of all the inquisitors who judged Galileo, and I certainly don't need several discussions about the age of the Earth (it's not something that affects my real life). It was sti......more

Goodreads review by Raymond on August 31, 2025

Fascinating read. Highly original and intriguing plot, characters that, while likeable, could be fleshed out better. Superb settings. What does a light absorbing wall discovered deep in a cave have to do with Atlantis, Lemuria and Mu? How does Galileo tie into the mystery? Why is a secret organizati......more

Goodreads review by Sierra on November 15, 2025

Speed read worthy only If this book was 50-100 pages it would be worth reading but most pages and chapters are filler, blah blah. Characters are uninspiring and simple. The plot is boring 90pct of the time. The dialogue couldn't be less interesting. It barely makes two stars but if speed read in a co......more