|aSir Cumference and the dragon of pi :|ba math adventure /|cby Cindy Neuschwander ; illustrated by Wayne Geehan.
246
30
|aA math adventure
260
|aWatertown, MA :|bCharlesbridge,|c1999.
300
|a32 p. :|bcol. ill. ;|c24 cm
520
|aWhen Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape.