When Josie Comes Home
A. E. Stanton & Gini Koch
New West (1)
Deacon's Ark
New West (2)
The Royal Scam
Gini Koch
The Martian Alliance (1)
A Bug's Life
The Martian Alliance (3)
Universal Alien
Katherine "Kitty" Katt (10)
Alien in Chief
Katherine "Kitty" Katt (12)
Predator: Eyes of the Demon
Tim Lebbon & Stephen Graham Jones & Linda D. Addison & Ammar Habib & Jonathan Maberry & Kim May & Robert Greenberger & Gini Koch & A. R. Redington & Michael Kogge & Joshua Pruett & Yvonne Navarro & Scott Sigler & Peter Briggs
Alien Proliferation
Katherine "Kitty" Katt (4)
Alien Separation
Katherine "Kitty" Katt (11)
Aliens Abroad
Katherine "Kitty" Katt (16)
Alien Diplomacy
Katherine "Kitty" Katt (5)
A Study in Starlets
Plush Life
Alien Collective
Katherine "Kitty" Katt (9)
The Happy Acres Haunted Hotel for Active Seniors
Alliance Rising
The Martian Alliance (99)
Three Card Monte
The Martian Alliance (2)
Alexander Outland: Space Pirate
G. J. Koch & Gini Koch
Alien vs. Alien
Katherine "Kitty" Katt (6)
Alien Nation
Katherine "Kitty" Katt (14)
A Cup of Joe
Anita Ensal & Gini Koch
The Night Beat, a Necropolis Enforcement Files Novel
Alien in the House
Katherine "Kitty" Katt (7)
Camp Alien
Katherine "Kitty" Katt (13)
Alien Research
Katherine "Kitty" Katt (8)
Alien Education
Katherine "Kitty" Katt (15)
Alien Tango
Katherine "Kitty" Katt (2)
Touched by an Alien
Katherine "Kitty" Katt (1)
Alien in the Family
Katherine "Kitty" Katt (3)