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