TY  - BOOK
AU  - Pratchett, Terry
AU  - Cohen, Jack
AU  - Stewart, lan
TI  - The science of Discworld
SN  - 9780091886578
U1  - 523.1 PRA 
PY  - 2002///
CY  - London
PB  - Ebury
KW  - Cosmology
KW  - Discworld (Imaginary place) -- Fiction
KW  - Fantasy fiction
N1  - Includes index
ER  -