TY  - BOOK
AU  - Isaacs Leonard
TI  - Darwin to double helix: the biological theme in science fiction 
SN  - 040871302X
AV  - PR830.S35 
U1  - 823/.0876 
PY  - 1977///
CY  - London, Boston
PB  - Butterworths
KW  - Science fiction English
KW  - History and criticism
KW  - Science fiction American
KW  - Evolution in literature
KW  - Literature and science
N1  - Includes bibliographies
ER  -