E.E. Smith 
The E.E. Smith Collection [EPUB ebook] 

E. E. ‘Doc’ Smith was a science-fiction author best known for the Lensman and Skylark series. He is sometimes called the father of space opera, and is truly one of the original masters of sci fi.
The E.E. Smith Collection is sci fi at its absolute best!
Featuring:
The Skylark of Space
Skylark Three
Spacehounds of IPC
Triplanetary
First Lensman
Tedric
Lord Tedric
Subspace Survivors
and The Galaxy Primes!