No collective t.p. title transcribed from individual title pages
"Edited under the supervision of Dr. Paul E. Blackwood... text and illustrations approved by Oakes A. White"
written by Donald Barr; illustrated by George J. Zaffo. The how and why wonder book of chemistry/ written by Martin L. Keen; illustrated by Walter Ferguson . The how and why wonder book of rocks and minerals/ by Nelson W. Hyler; illustrated by Kenyon Shannon
Juvenile literature ، Nuclear energy
Juvenile literature ، Chemistry
Juvenile literature ، Rocks
Juvenile literature ، Mineralogy
QC
792
.
5
.
B37
1987
AU
AU Keen, Martin L. How and why wonder book of chemistry 1987
AU Hyler, Nelson W. How and why wonder book of rocks and minerals 1987