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.
- Available now
- New eBook additions
- New kids additions
- Try something different
- Peppa Pig小猪佩奇
- Classic Chinese Tales 中国古典神话故事
- See all ebooks collections