Tilly's catch-a-sunbeam coloring book
By: written by Tilly Spetgang ; illustrated by Malcolm Wells
Contributors: Wells, Malcolm
Series: Solar heat -- bk. 1
Publisher: Solar Service Corporation
Published: 1975
Place of publication: Cherry Hill, N.J
Language: eng
Number of pages: 31
Subjects: Solar heating
Notes: "The story of solar heat even grown-ups can understand."