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Joseph Greene

5 books in our directoryGenres: Space Opera
PG-13: 4R: 1
Newest firstReading orderHighest rated
Robots of Saturn
Robots of Saturn
Dig Allen #5
1962
PG-13★ 3.85
Trappers of Venus
Trappers of Venus
Dig Allen #4
1961
PG-13★ 4.0
Journey to Jupiter
Journey to Jupiter
Dig Allen #3
1961
PG-13★ 3.83
Captives in Space
Captives in Space
Dig Allen #2
1960
R★ 3.67
The Forgotten Star
The Forgotten Star
Dig Allen #1
1959
PG-13★ 3.92