Wayne Geehan

• Sir Cumference And The Off-The-Charts Dessert
• Sir Cumference
• Sir Cumference and the 100 Percent Goose Chase : Percentages
• Sir Cumference and the Dragon of Pi Math Adventures Prebound
• Sir Cumference And The Isle Of Immeter
• Sir Cumference and the Sword in the Cone
• Computersleuths/Book and Puzzle (Bepuzzled Jr Series)
• Sir Cumference and the First Round Table (A Math Adventure)
• Sir Cumference Speaks Volumes