The Hamelin Plague
A. Bertram Chandler
Ride the Star Winds
John Grimes: Far Traveller Couriers (6)
To the Galactic Rim: The John Grimes Saga
John Grimes: Survey Service (1)
Beyond the Galactic Rim
First Command
John Grimes: Survey Service (4)
Galactic Courier: The John Grimes Saga
John Grimes: Far Traveller Couriers (2)
Into the Alternate Universe
Alternate Orbits
The Coils of Time
The Dark Dimensions