Columbia subject headings:
Antarctica--Fiction.
Astronomers--Fiction.
Comets--Fiction.
Giacobini-Zinner comet--Fiction.
Psychological fiction.
Harvard subject headings:
Antarctica--Fiction.
Astronomers--Fiction
Comets--Fiction.
Giacobini-Zinner comet--Fiction.
Psychological fiction.
Princeton subject headings:
Antarctica--Fiction.
Astronomers--Fiction.
Comets--Fiction.
Fiction.
Giacobini-Zinner comet--Fiction.
Novels.