Thomas DePrima Reading Order
5 series · 21 books
Thomas DePrima crafts expansive science fiction universes populated with complex characters navigating space exploration, military conflict, and investigative intrigue. Best known for his A Galaxy Unknown saga and its related series including Border Patrol and Space Command Intelligence, DePrima blends hard sci-fi worldbuilding with mystery and thriller elements to create immersive narratives. His prolific output across multiple series demonstrates a mastery of the space opera genre combined with influences drawn from crime drama and action-adventure storytelling.
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A Galaxy Unknown Series
Complete12 books (2008–2018)
The A Galaxy Unknown series consists of twelve science fiction novels published between 2008 and 2018, now complete. Thomas DePrima's works in this series blend action, adventure, mystery, and thriller elements throughout their interconnected narrative. Readers should begin with the first book, A Galaxy Unknown, and proceed through the twelve installments in publication order to experience the full story arc that concludes with The Invasion Begins.
Start with A Galaxy Unknown, the first of 12 books in the A Galaxy Unknown series.
Start this series with A Galaxy Unknown
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AGU: Border Patrol Series
Complete4 books (2012–2019)
The AGU: Border Patrol series consists of four complete science fiction adventure novels published between 2012 and 2019. Beginning with Citizen X and continuing through Clidepp Requital, Clidepp Deja Vu, and concluding with Lieutenant Marcola, the series should be read in publication order to follow the narrative arc. This finished sequence offers standalone entry points while building toward a complete story across all four installments.
Start with Citizen X, the first of 4 books in the AGU: Border Patrol series.
Start this series with Citizen X
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AGU: Space Command Intelligence Series
Complete1 book (2013–2013)
Arlene Watson Series
Complete2 books (2008–2016)
The Arlene Watson series comprises two complete fantasy and science fiction novels published between 2008 and 2016. Both installments should be read in publication order, beginning with When the Spirit Moves You followed by When the Spirit Calls. Thomas DePrima's series blends elements of mystery, thriller, and action-adventure across its two volumes.
Start with When the Spirit Moves You and read in order.
Start this series with When the Spirit Moves You
Buy Book 1 🇺🇸🎧 Listen free on Audible
Colton James Series
Complete2 books (2014–2016)
The Colton James series consists of two complete science fiction novels published between 2014 and 2016. Both books should be read in publication order, beginning with A World Without Secrets followed by Vengeance is Personal. This compact series combines elements of science fiction, mystery, and action-adventure storytelling.
Start with A World Without Secrets and read in order.
Start this series with A World Without Secrets
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Frequently Asked Questions
- How many books has Thomas DePrima written?
- Thomas DePrima has written 21 books across 5 series. Their published works span from 2008 to 2019.
- What is the first book in each Thomas DePrima series?
- Here are the first books in Thomas DePrima's series: A Galaxy Unknown: A Galaxy Unknown; AGU: Border Patrol: Citizen X; Arlene Watson: When the Spirit Moves You; Colton James: A World Without Secrets.
- What order should I read Thomas DePrima's books?
- We recommend reading Thomas DePrima's series in publication order. Each series can be read independently.
- Are Thomas DePrima's series complete?
- Thomas DePrima has 5 completed series.