The Devolution Trilogy Series

Michael Dolan is a stoic perfectionist and former combat pilot with a dark and labyrinthine psyche and troubled past. While working a staff job in Washington, D.C. he is approached by the CIA with an improbable request—to help them forestall impending terror attacks in Europe. He agrees and is sent undercover to Paris, France where he takes to the task of infiltrating a terrorist cell by rekindling an old friendship. As his deep-cover role in Operation EXCISE plays out, however, Dolan's past begins to catch up with him. With no one to trust and the enemy closing in, he must choose whether to follow orders in the face of failure or go it alone. Fans of Robert Ludlum’s The Bourne Identity will appreciate the internecine struggle and cryptic complexity of the protagonist, as will readers of Tom Clancy’s Patriot Games, who appreciate a page-turner about an unlikely spy thrust into adversity, only to emerge the strongest and most capable of them all. DEVOLUTION is book 1 in The Devolution Trilogy, a psychological spy thriller series. EVOLUTION and REVELATION are books 2 and 3. “Casey has accomplished the nearly impossible...Michael Dolan is one of the deepest characters I’ve seen in this type of fiction. As someone who knows more than a little bit about the clandestine world, the book is a crisp, hard-hitting and realistic yarn that will leave you wanting more.” —U.S. AMBASSADOR LUIS MORENO assisted in the pursuit of Pablo Escobar and led implementation of Plan Colombia “Casey’s frank and realistic interplay among the principals draws you into a complicated plot about believable challenges, both in the field and inside the walls of counterintelligence operations. His craftsmanship is evident as the plot progresses until the tension becomes too fervent to put aside.” —JAMES WHITE, author of Borders in Paradise

Two years have passed since the dramatic conclusion of Operation EXCISE. Michael Dolan has moved home to Boston to mend when once again, the Agency comes knocking. Terrorists have launched a bioweapon in the Middle East, thousands are dying of a horrifying virus with no cure, and Dolan is the key to preventing more attacks. Only this time, everything will be done on his terms.... Fans of Robert Ludlum's The Bourne Identity will appreciate the internecine struggle and cryptic complexity of the series' protagonist, Michael Dolan, as will fans of Tom Clancy's Patriot Games who savor page-turners about an unlikely spy thrust into adversity, only to emerge the strongest and most capable of them all. “John Casey has accomplished the nearly impossible—to follow up his singular, thrilling, and insightful debut novel with an even more impressive sequel. Evolution’s main protagonist, Michael Dolan, is one of the deepest characters I’ve seen in this type of fiction. As someone who knows more than a little bit about the clandestine world, I found Evolution to be a crisp, hard-hitting and realistic yarn that will leave you wanting more.” —U.S. AMBASSADOR LUIS MORENO assisted in the pursuit of Pablo Escobar and led implementation of Plan Colombia "Keeps readers tense and wondering...just as, or even more gripping than its prequel...a riveting story that deserves top billing in any thriller or espionage fiction collection." —The MIDWEST BOOK REVIEW "Evolution is a complex and multifaceted, chilling story of bioterrorism headlined by a remarkable and courageous protagonist! Five stars." —READERS' FAVORITE EVOLUTION is book 2 in the Devolution Trilogy, a psychological spy thriller series brilliantly narrated by Tom Campbell. DEVOLUTION and REVELATION are Books 1 and 3.

Michael Dolan is now leading the CIA black operations team formerly known as SCALPEL, his fortunes buoyed by unparalleled success in thwarting numerous terrorist attacks. After uncovering a sinister network of organizations planning a cyber attack with global financial and geopolitical implications, he must risk putting the world at war if he is to save it. REVELATION is book three of The Devolution Trilogy. Fans of Robert Ludlum’s The Bourne Identity will appreciate the internecine struggle and cryptic complexity of the protagonist, Michael Dolan, as will fans of Tom Clancy’s Patriot Games who savor a page-turner about an unlikely spy thrust into adversity, only to emerge the strongest and most capable of them all.  "Detailed and action-packed prose are the heartbeat of this psychological thriller. Casey is an exceptional writer who knows how to captivate his readers while sweeping them into a clever, breakneck ride." BOOKLIFE "One of the year's best spy thrillers." BestThrillers “A high-concept black ops thriller masterfully interwoven with international finance, crypto tech, and theological subplots—an explosive and chilling postmodern spy novel."  WILL HURD, Former TX Congressman, CIA Clandestine Officer, and Cybersecurity Executive “Sleek and sophisticated…This book is one of the best international spy thrillers you’ll read this year, or frankly, in any year.” U.S. AMBASSADOR LUIS MORENO