Hal Clement

Mission of Gravity is a science fiction novel by Hal Clement. The novel was serialized in Astounding Science Fiction magazine in April–July 1953. Its first hardcover book publication was in 1954, and it was first published as a paperback book in 1958. Along with the novel itself, many editions of the book also include …

Iceworld is a science fiction novel by author Hal Clement. It was published in 1953 by Gnome Press in an edition of 4,000 copies. The novel was originally serialized in the magazine Astounding in 1951.