TY  - BOOK
AU  - Gardner,Robert
AU  - Webster,David
TI  - Science in your backyard
SN  - 0671638351 (pbk.) :
AV  - Q164 .G376 1987
U1  - 507 G226 1987 19
PY  - 1987///
CY  - New York
PB  - A Division of Simon and Schuster, Inc.
KW  - Science
KW  - Experiments
KW  - Scientific recreations
KW  - Nature study
N1  - Includes index
N2  - A guide to observing and exploring the world of nature at your back door, with experiments and many suggestions for activities
ER  -