Title: Sir Cumference and the Sword in the Cone, Author: Cindy Neuschwander
Title: Math Puzzles for the Clever Mind, Author: Derrick Niederman
Title: Advanced Polyhedra 2: The Sixth Stellation of the Icosahedron, Author: Gerald Jenkins
Title: Advanced Polyhedra 3: The Compound of Five Cubes, Author: Gerald Jenkins