Leech, Bonnie Coulter.

Circles and spheres / Bonnie Coulter Leech. - 1st ed. - New York : The Rosen Publishing Group's PowerKids Press, 2007. - 24 p. : col. ill., map ; 21 x 26 cm. - Exploring shapes .

Includes index.

Circles -- Point, line, and plane -- What is a circle? -- Radius -- Chords and diameter -- Circumference -- Pi -- Symmetry -- Spheres -- The family of circles and spheres.

ISBN: 1404234942 (lib. bdg.)

LCCN: 2005028072

Subjects--Topical Terms:
Circle.
Sphere.

LC Class. No.: QA484 / .L395 2007

Dewey Class. No.: 516/.152