A.G. Riddle Reading Order
4 series · 14 books
A.G. Riddle is a prolific American author known for crafting engaging sci-fi thrillers. With a portfolio that includes 14 books spanning four series, such as The Origin Mystery and The Extinction Files, he captivates readers with intricate plots and thought-provoking themes. Active from 2013 to 2025, Riddle's standout work has garnered him a dedicated following in the literary community.
Standalone Novels Series
Ongoing6 books (2014–2025)
Start with Departure, the first of 6 books in the Standalone Novels series.
The Extinction Files Series
Complete2 books (2017–2017)
Start with Genome and read in order.
The Long Winter Series
Complete3 books (2019–2019)
Start with The Lost Colony and read in order.
The Origin Mystery Series
Complete3 books (2013–2014)
Start with The Atlantis Gene and read in order.
Frequently Asked Questions
- How many books has A.G. Riddle written?
- A.G. Riddle has written 14 books across 4 series. Their published works span from 2013 to 2025.
- What is the first book in each A.G. Riddle series?
- Here are the first books in A.G. Riddle's series: The Extinction Files: Genome; The Long Winter: The Lost Colony; The Origin Mystery: The Atlantis Gene.
- What order should I read A.G. Riddle's books?
- We recommend reading A.G. Riddle's series in publication order. Each series can be read independently.
- Is A.G. Riddle still writing new books?
- Yes, A.G. Riddle has 1 ongoing series: Standalone Novels.