How to count sheep without falling asleep
By: by Ralph Leighton and Carl Feynman ; ill. by George Ulrich.
Contributors: Feynman, Carl, joint author.; Ulrich, George.
Publisher: Prentice-Hall
Published: 1976
Place of publication: Englewood Cliffs, N.J
Language: eng
Number of pages: 38
Subjects: Numeration -- Juvenile literature.; Number systems.
Description: Explores the concept of using symbols for numbers: ones, tens, hundreds, etc.