Dennis Koller's THE CUSTER CONSPIRACY Immerses Readers in Historical Tale of Murder & Intrigue

Dennis Koller's THE CUSTER CONSPIRACY Immerses Readers in Historical Tale of Murder & Intrigue

On June 25, 1876, an overconfident Lt. Col. George Armstrong Custer was killed, along with five companies of the Seventh Cavalry who rode with him, at the Battle of the Little Bighorn - or was he?

In The Custer Conspiracy, author Dennis Koller immerses readers in a thrilling tale of murder and intrigue where the facts surrounding Custer's Last Stand were never really the facts at all. And when modern-day history professor Matt Conroy uncovers a deeply buried secret about the ill-fated Custer, he calls an old friend, San Francisco Homicide Inspector Tom McGuire, for advice.

The two agree to meet at the Little Bighorn Battlefield National Monument to investigate Conroy's discovery, but what McGuire finds is Conroy lying near the memorial obelisk on Last Stand Hill - dead.

The third in Koller's Tom McGuire mystery-thriller series, The Custer Conspiracy follows McGuire as he spirals through a hidden world of political deceit and treachery to find his friend's killer and uncover a truth that could rewrite the history books.

Unfortunately for McGuire, one of the most secretive and dangerous organizations in the world stands in his way and will stop at nothing to make sure its 140-year-old secret remains hidden.

Will Inspector McGuire uncover the truth? Or will he die trying?

Born and raised in San Francisco, author Dennis Koller was the Executive Director of the SS Jeremiah O'Brien, a World War II Liberty ship berthed at Fisherman's Wharf in San Francisco.

In 2013, Koller left his job, figuratively "jumping ship" to write his first Tom McGuire novel. The mystery-thriller, Kissed By The Snow, about a secret FBI drug taskforce that devises a plan to finally win America's war on drugs, placed fourth in the Ink & Insights national writing contest.

He is also the author of The Oath, a political mystery-thriller that expertly weaves together the stories of a former POW, four dead women, Inspector Tom McGuire and the Vietnam War. The Oath was awarded a Silver Medal by the prestigious Military Writers Society of America; won the 2016 Bay Area Independent Publishers Association Book Award for Best Fiction, and the 2017 Independent Press Award for Military Fiction.

The Custer Conspiracy, published in September 2016, was named a 2017 Distinguished Favorite in the thriller category by Independent Press Award.

Koller is a member of the Naval Order of the United States, the Navy League of the United States, the Military Writers Society of America, the California Writers Club, the Independent Book Publishers Association, the Bay Area Independent Publishers Association and is on the Board of Directors of the nonprofit Bethlehem Shipyard Museum. Koller holds an undergraduate degree in philosophy and a graduate degree in business administration, both from Saint Mary's College of California. He lives with his wife in the San Francisco Bay Area.

For more information on the author or his books, visit

Pen Books
Release date: September 2016
ISBN-10: 0998080802
ISBN-13: 978-0998080802
Available at and all book stores upon request.
Autographed copies are available at

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