Description
Sign up for Sir Cumference, Lady Di of Ameter, and their son Radius for wordplay, puns, and problem solving on this angle-packed math adventure. Within the third installment of the beloved Sir Cumference series, Radius should end up himself on his quest for knighthood by rescuing a king. Sent off with the circle of relatives medallion for luck, Radius dodges dangers and dragons. Without equal challenge lies in a mysterious castle with a maze of many angles. With a medallion in the back of the book readers can jump Within the adventure and lend a hand Radius find the proper angle.