The Space Opera Megapack
John W. Campbell Jr. & Jay Lake & E.E. "Doc" Smith
First Lensman
E.E. "Doc" Smith
Lensman (2)
Imperial Stars
Family d'Alembert (1)
Skylark Three
Skylark (2)
Masters of the Vortex
Lensman (7)
The Galaxy Primes
Gray Lensman
Lensman (4)
Triplanetary
Lensman (1)
Spacehounds of IPC
The Skylark of Space
Skylark (1)