Berkley Medallion, 1977. One of two identical printings from 1977/78. First serialized in Analog in 1968, then published by Doubleday the following year. A Technic History/Nicholas Van Rijn space adventure.
Berkley Medallion, 1977. One of two identical printings from 1977/78. First serialized in Analog in 1968, then published by Doubleday the following year. A Technic History/Nicholas Van Rijn space adventure.