Ian Douglas

b. 1950

1 series 3 books in order

Ian Douglas is an American writer who primarily contributes to military science fiction and military fiction, as well as related game design. He writes under several pen names, including William H. Keith and Robert Cain. Ian Douglas is known for his newer original works written under his own name.

Born: 1950
Known for: Heritage Trilogy

Series by Ian Douglas

Heritage Trilogy

4 books in order · 1998–2003

Semper Mars

1998 · Ian Douglas

The year is 2040. The U.S. Marines have landed on Mars to protect American civilians and interests. They are part of the Marine Mars Expeditionary…
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Luna Marine

1999 · Ian Douglas

Revelations on Mars about a half-million-year-old legacy of vanished star-traveling Builders have fueled catastrophic war. The United States and its…
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Europa Strike

2000 · Ian Douglas

In 2040, ruins of an ancient civilization on Mars reveal startling truths about humankind's creation; in 2042, an extinct enslaving race leaves…
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Finding your ancestors in New Brunswick--

2003 · Althea Douglas
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Frequently asked questions

How many books has Ian Douglas written?

We list 3 books by Ian Douglas across 1 series, published between 1998–2003 — each shown in full reading order.

What order should I read Ian Douglas's books?

Read each series in publication order. A good place to start is “Semper Mars.” Open any series above for its complete numbered reading order.

Where can I buy Ian Douglas's books?

Every title links to Amazon from its series page — see our affiliate disclosure in the footer for how that supports the site.

Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.

Some summaries adapted from Wikipedia, CC BY-SA 4.0.