Alien in the Family
Gini Koch
Katherine "Kitty" Katt (3)
Touched by an Alien
Katherine "Kitty" Katt (1)
Alien Tango
Katherine "Kitty" Katt (2)
Alien Research
Katherine "Kitty" Katt (8)
Alien Education
Katherine "Kitty" Katt (15)
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 vs. Alien
Katherine "Kitty" Katt (6)
Alien Nation
Katherine "Kitty" Katt (14)
Alexander Outland: Space Pirate
G. J. Koch & Gini Koch
Three Card Monte
The Martian Alliance (2)
Alliance Rising
The Martian Alliance (99)
The Happy Acres Haunted Hotel for Active Seniors
Alien Collective
Katherine "Kitty" Katt (9)
Plush Life
A Study in Starlets
Alien Diplomacy
Katherine "Kitty" Katt (5)
Aliens Abroad
Katherine "Kitty" Katt (16)
Alien Separation
Katherine "Kitty" Katt (11)
Alien Proliferation
Katherine "Kitty" Katt (4)
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 in Chief
Katherine "Kitty" Katt (12)
Universal Alien
Katherine "Kitty" Katt (10)
A Bug's Life
The Martian Alliance (3)
The Royal Scam
The Martian Alliance (1)
Deacon's Ark
A. E. Stanton & Gini Koch
New West (2)
When Josie Comes Home
New West (1)