What makes day and night /
Franklyn M. Branley ; illustrated by Arthur Dorros.
- Rev. ed.
- New York : HarperCollins, 1986.
- 32 p. : col. ill. ; 18 x 22 cm.
- Let's-read-and-find-out science. Stage 2 .
"Harper trophy."
A simple explanation of how the rotation of the earth causes night and day.