Michael C. Grumley

Michael C. Grumley is an accomplished American author, well-known for his action-packed thriller novels. His work is highly regarded within his genre, with a reputation for unique and engaging plots, as well as well-crafted characters. Grumley's professional background in information technology has provided him with a wealth of research to draw from, lending a high degree of realism to his novels.

Grumley is the author of the best-selling Breakthrough series, which has sold over one million copies to date. His writing style is characterized by deeply human stories and unexpected plot twists. In addition to the Breakthrough series, Grumley has also written the Evan series of books. His work has been praised for its originality and has earned a place among the top sellers on Amazon.

Beyond his work as an author, Grumley is a devoted father to his two young daughters. He currently resides in Northern California, where he enjoys reading, running, and spending time with his family. Grumley takes pride in his role as a father and cherishes every opportunity to dote on his girls. He is currently working on his next novel, which is part of the Monument series. Grumley is known to be open to hearing from his readers, and can be reached through his website.
Breakthrough Books
# Title Year
1 Breakthrough 2013
2 Leap 2014
3 Catalyst 2015
4 Genesis 2016
5 Ripple 2017
6 Mosaic 2019
7 Echo 2021
Evan Books
# Title Year
1 Evan After / Through the Fog 2014
2 The Unexpected Hero 2015
Monument Books
# Title Year
1 The Last Monument 2020
2 The Desert of Glass 2021
Revival Books
# Title Year
1 Deep Freeze: A Revival Series Novel 2024
Standalone Novels
# Title Year
1 Amid the Shadows 2013