Order of Boundary Books
Boundary is a series of science fiction/adventure novels by Eric Flint and Ryk E. Spoor. When paleontologist Dr. Helen Sutter gets hold of a fossil that a teenager found in the desert in Arizona, she thinks it can help her solve some of Earth’s greatest mysteries. But what she doesn’t expect is that this fossil will send her all the way to Mars.
The Boundary series began in 2006 with the novel Boundary. The series is currently ongoing. Below is a list of Eric Flint and Ryk E. Spoor’s Boundary books in order of when they were originally published (which is the same as their chronological order):
Publication Order of Boundary Books
(By: Eric Flint, Ryk E. Spoor)
Boundary | (2006) | |
Threshold | (2010) | |
Portal | (2013) |
Publication Order of Boundary: Castaway Books
(By: Eric Flint, Ryk E. Spoor)
Castaway Planet | (2015) | |
Castaway Odyssey | (2016) | |
Castaway Resolution | (2020) |