Number puzzles
By: Jenny Tyler ; illustrated and designed by Graham Round
Contributors: Round, Graham
Series: Usborne brainbenders
Publisher: EDC Pub.; Usborne Pub.; E.D.C. Publishing
Published: 1981
Place of publication: Tulsa, Okla; London
Language: eng
Number of pages: 32
ISBN-13: 9780860204350
Subjects: Puzzles; Juvenile literature; Mathematical recreations