9 books in series

Frontier

Frontier is a 9-book series with 9 released primary works first released in 2000 with contributions by Jonathan Hickman, Leonie Rogers, Sam Alden, Peter Watt, Jillian Tamaki, Becca Tobin, Eleanor Davis, Kelly Kwang, Richie Pope, and Tatsuro Kiuchi.

Frontier, Volume 1
Frontier Defiant
Frontier #5: Sam Alden
To Ride The Wind
Frontier #7: SexCoven
War Clouds Gather
Frontier #9: Becca Tobin
Frontier #11: BDSM
Frontier #12: Who Were the Space Youth Cadets?
Frontier #13: Fatherson
Frontier #15