. . . . "Tumblebooks" . . "Juvenile works" . "Juvenile works"@en . "Electronic books"@en . "When Sir Cumference drinks a potion that turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape."@en . "Sir Cumference and the Dragon of Pi : a math adventure"@en . . "Sir Cumference and the dragon of pi"@en . . "Sir Cumference and the Dragon Of Pi" . "Sir Cumference and the dragon of pi a math adventure"@en . "Sir Cumference and the dragon of pi"@en . . . . "Wei jiao yuan zhou long" . . . . . . . . . . . . . "围剿圆周龙" . . . . . . . "Sir Cumference and the dragon of Pi : a math adventure" . . . "When 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."@en . "When 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." . "Fiction"@en . . . "Sir Cumference, Lady Di of Ameter, and Radius are back in their second Math Adventure! This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back' Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles."@en . "Tumble books" . . "Sir Cumference and the dragon of pi : a math adventure"@en . "Sir Cumference and the dragon of pi : a math adventure" . . . . . "Chinese language materials Juvenile literature." . . "JUVENILE NONFICTION Mathematics General." . . "Circle." . . "Pi." . . "Circle Juvenile literature." . . "Pi Juvenile literature." . .