In reading order
The Moon and Beyond
John E. Siers
Someday the Stars
John E. Siers
Valkyrie's Daughter
John E. Siers
In the Service of Luna
John E. Siers
The Next Crusade
John E. Siers
Season of the Wolf
John E. Siers
The Gathering Storm
John E. Siers
The Never Ever War
John E. Siers
Stand on Xanadu
John E. Siers
Three Player Game
John E. Siers
Disloyal Opposition
John E. Siers
Shadow on the Moon
John E. Siers
Aphrodite of Luna
John E. Siers