Neuschwander,, Cindy
Sir Cumference and the dragon of pi : a math adventure / by Cindy Neuschwander ; illustrated by Wayne Geehan
Sir Cumference and the dragon of pi : a math adventure / by Cindy Neuschwander ; illustrated by Wayne Geehan
. - Watertown, MA : Charlesbridge, cop. 1999
. - 32 p. : muito il., color. 25 cm
1-57091-164-9 Brochado978-1-57091-164-4
51:372.851
372.851:51