2026 Reading Challenge
Mark Umstead
326 ratings (4.36 avg)
26 reviews

Mark Umstead

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Mark’s favorite books

A World of Hurt by David Sherman Firestorm by David Sherman Kingdom's Swords by David Sherman By Order of the President by W.E.B. Griffin Star Marines by Ian Douglas Battlespace by Ian Douglas Star Corps by Ian Douglas Semper Mars by Ian Douglas Europa Strike by Ian Douglas Ice Station by Matthew Reilly Agents of Chaos I by James Luceno
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Mark is Currently Reading

Rika Coronated
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by M.D. Cooper (Goodreads Author)
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Aug 24, 2021 04:01PM
Rika Rising
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by M.D. Cooper (Goodreads Author)
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Aug 23, 2021 05:02PM
Return to Kapteyn...
Mark Umstead is currently reading
by M.D. Cooper (Goodreads Author)
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Aug 23, 2021 06:23AM
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29041 SSG: Spy/Spec-Ops Group — 1335 members — last activity Dec 24, 2025 01:14AM
Dedicated to those who love spy, spec-ops, and clandestine books from Tom Clancy, Vince Flynn, David Morrell, Barry Eisler, Brad Thor...Ludlum, S ...more
25x33 Mitch Rapp Support Team — 136 members — last activity Dec 07, 2025 11:08AM
Fans of Vince Flynn's Mitch Rapp series of books. ...more

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Mark’s 2025 Year in Books
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