Sir Cumference and the Sword in the Cone

Product Description

King Arthur has hidden his sword, Edgecalibur and issued a challenge to the knights. The first knight to find the sword will be the next king. Can Sir Cumference and Lady Di point Radius’s best friend, Vertex in the right direction? Will Vertex’s sharp thinking give him the edge?

Join Sir Cumference, Lady Di of Ameter, and their son, Radius, in this new adventure where they race to help Vertex find the sword and discover the secrets of cubes, pyramids, cylinders, and cones.

Titles in Series: 

Sir Cumference and the First Round Table
Sir Cumference and the Dragon of Pi
Sir Cumference and the Great Knight of Angleland
Sir Cumference and the Sword in the Cone
Sir Cumference and the Isle of Immeter
Sir Cumference and All the King’s Tens
Sir Cumference and the Viking’s Map
Sir Cumference and the Off-the-Charts Dessert
Sir Cumference and the Roundabout Battle
Sir Cumference and the Fracton Faire
Sir Cumference Gets Decima’s Point
Sir Cumference and the 100 PerCent Goose Chase
Sir Cumference Speaks Volumes