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Emil Petaja

13 books by Emil Petaja are in our catalogue. Sort by reading order, newest, or highest-rated below. Every title is rated for violence, language, and sexual content, with age recommendations and trigger warnings.

13 books in our directoryGenres: Space Opera
PG: 5PG-13: 7G: 1
Newest firstReading orderHighest rated
Seed of the Dreamers
Seed of the Dreamers
1970
PG★ 3.0
The Nets of Space
The Nets of Space
1969
PG-13★ 3.1
The Path Beyond the Stars
The Path Beyond the Stars
1969
PG★ 2.73
Doom of the Green Planet
Doom of the Green Planet
The Green Planet #2
1968
PG★ 3.15
The Prism
The Prism
1968
PG-13★ 4.0
The Time Twister
The Time Twister
1968
PG-13★ 3.32
Lord of the Green Planet
Lord of the Green Planet
The Green Planet #1
1967
PG★ 2.67
Tramontane
Tramontane
The Kalevala #4
1967
PG-13★ 3.21
The Stolen Sun
The Stolen Sun
The Kalevala #3
1967
PG★ 3.21
Saga of Lost Earths
Saga of Lost Earths
The Kalevala #1
1966
G★ 3.19
The Star Mill
The Star Mill
The Kalevala #2
1966
PG-13★ 3.25
Alpha Yes, Terra No!
Alpha Yes, Terra No!
1965
PG-13★ 2.77
The Caves of Mars
The Caves of Mars
1965
PG-13★ 3.58