TY  - BOOK
AU  - Lloyd,Christopher
AU  - Forshaw,Andy
TI  - What on earth happened?
SN  - 9781408834831
U1  - 900 
PY  - 2012///
CY  - London
PB  - Bloomsbury
KW  - Civilization
KW  - World history
KW  - Evolution (Biology)
KW  - Earth sciences
KW  - History
N1  - Includes index
ER  -