Caine Riordan books

The Caine Riordan / Tales of the Terran Republic series is a seven-book military science fiction saga about first contact and interstellar diplomacy, published between 2013 and 2023.

Tales of the Terran Republic Reading Order

Title Published Buy on Amazon
Fire with Fire 2013 Buy
Trial by Fire 2014 Buy
Raising Caine 2015 Buy
Caine’s Mutiny 2017 Buy
Marque of Caine 2019 Buy
Watch the Skies 2021 Buy
Mission Critical 2023 Buy

The Caine Riordan books make up the Tales of the Terran Republic series, a military science fiction sequence that began with Fire with Fire in 2013. The series follows Caine Riordan through humanity’s first encounters with alien civilizations, blending hard science fiction concepts with military and political thriller elements.

Across seven books, the series expands from initial contact into full-scale interstellar conflict and diplomacy. The titles reference Caine’s journey directly: Trial by Fire, Raising Caine, Caine’s Mutiny, and Marque of Caine all track his evolution from outsider to central figure in human-alien relations. The series continued through Watch the Skies (2021) and Mission Critical (2023).

Frequently Asked Questions

How many books has Caine Riordan written?

Caine Riordan has written seven books in one series.

What was Caine Riordan's first book?

Caine Riordan’s first book is Fire with Fire, published in 2013.

What is the Tales of the Terran Republic series about?

The series follows Caine Riordan, a writer and analyst who becomes humanity’s key figure in first contact with alien species. The books mix military action with diplomatic intrigue as Earth navigates its place among interstellar civilizations.

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