Ruchlis, Hyman.
Your world in motion; the story of energy. [by] George Barrow [pseud.] Illustrated by Mildred Waltrip. - [1st ed.] - New York, Harcourt, Brace [1956] - 181 p. illus. 21 cm.
56005575
Physics--Juvenile literature.
Power (Mechanics)--Juvenile literature.
Nuclear energy--Juvenile literature.
QC25 / .R83
530
Your world in motion; the story of energy. [by] George Barrow [pseud.] Illustrated by Mildred Waltrip. - [1st ed.] - New York, Harcourt, Brace [1956] - 181 p. illus. 21 cm.
56005575
Physics--Juvenile literature.
Power (Mechanics)--Juvenile literature.
Nuclear energy--Juvenile literature.
QC25 / .R83
530