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When the body of a man presumed to be Thomas Gage, a former OSS agent, is found shot to death and then burned in the mountains of Colorado, ex-cop Nick Ferron, his grandson, wants to know why. But to find out, he’s going to have to track down the men and women involved in the wartime mission that still ties three secret agents to the spymaster who betrayed them all.

LEAGUE OF SHADOWS is available from Amazon.


“Terpening’s forte is action and there’s plenty here. League of Shadows is a crackling good story.”
— Steve Berry

“League of Shadows is a smart, suspenseful novel in which the last secrets of an evil past must be revealed in order to save new victims in the present.”
— Thomas Perry

“With League of Shadows Ron Terpening has crafted an energetic, meticulously researched excursion into the world of classic wartime espionage. A great read.”
— Olen Steinhauer

“A masterful espionage thriller. Terpening weaves a tale of crackling suspense that will keep even the most demanding of readers rabidly turning the pages. Fans of Jack Higgins will be clearing space on their bookshelves for the work of this hot new author.”
— Brad Thor

“An addictive read, weaving together human drive, determination, and betrayal into a gripping whole.”
— The Midwest Book Review


Ron Terpening is the author of four thrillers—Storm Track, League of Shadows, Tropic of Fear, and Nine Days in October.

He and his wife, Vicki, live in the foothills overlooking Tucson, Arizona.