TY  - BOOK
AU  - watts, lisa
AU  -  tyler,jenny
TI  - The Usborne book of the earth
SN  - 0860200620
U1  - 551 
PY  - 1976///
CY  - Tulsa, Okla.
PB  - EDC Pub.
KW  - Earth sciences
KW  - Juvenile literature
N1  - Includes index; Planet earth / Fiona Watt -- Ecology / Richard Spurgeon -- Energy & Power / Richard Spurgeon and Mike Flood -- Weather & climate / Fiona Watt and Francis Wilson
ER  -