Topic: Mathematics
- Sir Cumference and the Great Knight of Angleland : a math adventure
- Sir Cumference and the Isle of Immeter : a math adventure
- Sir Cumference and the first round table : a math adventure
- Sir Cumference and the sword in the cone
- Sir Cumference and the Viking's map : a math adventure
- Sir Cumference and the roundabout battle
Topic: Geometry
Author: Geehan, Wayne
- Sir Cumference and the Great Knight of Angleland : a math adventure
- Sir Cumference and the dragon of pi : a math adventure
- Sir Cumference and the Isle of Immeter : a math adventure
- Sir Cumference and the first round table : a math adventure
- Sir Cumference and the sword in the cone
- Sir Cumference and all the king's tens
