The Dark Frontier
by A. B. Decker
series
genres Other3
years 2021
Beyond The Frontier (United Star Systems Book 2)
by J Malcolm Patrick
series
genres Science
years 2017
The Triple Frontier
by Marc Cameron
series Jericho Quinn
genres Other4
years 2018
The Higher Frontier
by Christopher L. Bennett
series
genres Science
years 2020
The Bloody Frontier (Pistols and Pyramids Omnibus Book 1)
by Jim Johnson
series
genres Other4
years 2016
The Last Frontier
by Alistair MacLean
series
genres Mystery
years 2012
Beyond The Frontier
by J Malcolm Patrick
series United Star Systems
genres Science
years 2017
The Horseman's Frontier Family
by Karen Kirst
series
genres Romance
years 2014
War of Frontier and Empire
by David J Silbey
series
genres Other
years 2014
The Diamond Frontier (Simon Fonthill Series)
by John Wilcox
series
genres Other7
years 2010
The Heart's Frontier
by Lori Copeland;Virginia Smith
series
genres Other7
years 2012
The Silent Frontier
by Peter Watt
series
genres Other9
years 2007
The First Frontier
by Scott Weidensaul
series
genres Other9
years 2003
The Final Frontier
by Neil Clarke
series
genres Other10
years 2018
Beyond the Frontier: Steadfast
by Jack Campbell
series
genres Science
years 2014
On the Frontier
by Harte, Bret
series
genres Other10
years 2006
The New Frontier
by Ryan Kinzy
series
genres Other10
years 2011
Unite the Frontier (United Star Systems Book 3)
by J Malcolm Patrick
series
genres Science
years 2017
The Nightmare Frontier
by Stephen Mark Rainey
series
genres Other12
years 2010
Unite the Frontier
by J Malcolm Patrick
series United Star Systems
genres Science
years 2017