- Geometry: Concepts and Applications
- Number Treasury3:Investigations, Facts and Conjectures about More than 100 Number Families
- Number Treasury 2: A Collection of Facts & Conjectures, Problems & Investigations, About More Than One Hundred Kinds of Numbers
- Discrete Mathematics Across the Curriculum, K-12: 1991 Yearbook (Yearbook (National Council of Teachers of Mathematics))
- Informal Geometry Explorations: An Activity-Based Approach, Grades 7-12








