Kenda, Margaret. Math wizardry for kids Margaret Kenda and Phyllis S. Williams ; illustrated by Tim Robinson. - Hauppauge, N.Y. : Barron’s, c1995. - iii, 324 p. : col. ill. ; 24 cm. Includes index. ISBN: 0812018095 LCCN: 94031243 Subjects--Topical Terms: Mathematics--Juvenile literature.Mathematical recreations. LC Class. No.: QA40.5 / .K45 1995 Dewey Class. No.: 793.7/4