- Series: Gree Series Record # 9687
- Gree
- The Slaves of Gree (1964) [SF] by C. C. MacApp
- Gree's Commandos (1965) [SF] by C. C. MacApp
- Gree's Hellcats (1965) [SF] by C. C. MacApp
- No Friend of Gree (1965) [SF] by C. C. MacApp
- Gree's Damned Ones (1965) [SF] by C. C. MacApp
- Like Any World of Gree (1966) [SF] by C. C. MacApp
- Enemies of Gree (1966) [SF] by C. C. MacApp
- The Sign of Gree (1966) [SF] by C. C. MacApp
- A Beachhead for Gree (1967) [SF] by C. C. MacApp