by Hal Clement
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.
Variations on a Theme by Sir Isaac Newton (2000)
Collection, 465 pages
Part 3 of the The Essential Hal Clement series.
Heavy Planet: The Classic Mesklin Stories (2002)
Collection, 414 pages
Part of the Mesklin series.
