World Book's young scientist /
[illustrated by Hemesh Alles ... et al.].
- Chicago : World Book, 1991.
- 10 v. : ill.
0716627914
91065812
Science--Dictionaries.
Science--Experiments.
Technology--Dictionaries.
503
0716627914
91065812
Science--Dictionaries.
Science--Experiments.
Technology--Dictionaries.
503