Sunlight and shadows
By: [by] John and Cathleen Polgreen.
Contributors: Polgreen, Cathleen, joint author.
Edition: [1st ed.]
Publisher: Doubleday
Published: 1967
Place of publication: Garden City, N.Y
Language: eng
Number of pages: 57
Subjects: Seasons -- Juvenile literature; Shades and shadows -- Juvenile literature; Solar radiation; Shadows; Seasons
Description: An explanation of why shadows exist and how they are affected by changing seasons.