Age Group: 6 - 9 Years, 9 - 12 Years

Description:

In this fun Arthurian-style math adventure, King Arthur hides his sword, Edgecalibur, and challenges his knights to find it, promising the throne to whoever succeeds. Sir Cumference, Lady Di of Ameter, and their son Radius join their friend Vertex on the quest, solving geometry puzzles involving cones, cylinders, cubes, and pyramids along the way. Packed with clever puns and wordplay, this story turns shapes and geometric thinking into an exciting treasure hunt. Part of the beloved Sir Cumference series, it's a brilliant way to make geometry feel like an adventure, perfect for young math enthusiasts.