- Series: A Greater Infinity Series Record # 25813
- Series Tags: alternate history (2), crash landing (1), ten day week (1), air cars (1), rescue girlfriend (1), standing before the council (1), join or else (1), enfranchisement versus disenfranchisement (1), given a language tutor (1), chased by the enemy (1), science fiction (1), castle (1), interdimensional travel (1), sliders (1), difficult space travel (1), parallel worlds (1), parallel earth (1), parallel universe (1)
- A Greater Infinity
- Beer Run (1979) [SF] by Michael McCollum
- A Greater Infinity (1980) [SF] by Michael McCollum
- Which Way to the Ends of Time? (1981) [SF] by Michael McCollum
- A Greater Infinity (1982) by Michael McCollum