Hann, Judith.
How science works /
Judith Hann.
- Pleasantville, N.Y. : Reader's Digest Association, c1991.
- 192 p. : col. ill. ; 29 cm.
Includes index.
0895773821 : $24.00
90026457 //r90
Scientific recreations.
Science--Experiments.
Q164 / .H26 1991
507.8