Title: Procyon’s Promise Series: Makers Number in Series: 2 (two) Author: Michael McCollum Cover Artist: Don Dixon Language: English Original Publisher: Del Rey Originally Published: August 1985 Publisher: Del Rey Published: August 1985 ISBN-10: 0345302966 ISBN-13: 9780345302960
Title: Life Probe Series: Makers Number in Series: 1 (one) Author: Michael McCollum Cover Artist: David B. Mattingly Language: English Original Publisher: Del Rey Originally Published: June 1983 Publisher: Del Rey Published: March 1984 ISBN-10: 0345302958 ISBN-13: 9780345302953
Title: A Greater Infinity Series: A Greater Infinity Number in Series: 1 (one) Author: Michael McCollum Cover Artist: David B. Mattingly Language: English Original Publisher: Del Rey Originally Published: February 1982 Publisher: Del Rey Published: June 1989 ISBN-10: 0345301676 ISBN-13: 9780345301673
