51 books • 4 series
The Secrets of Triangles
The Pythagorean Theorem
Mathematical Amazements and Surprises
Advanced Euclidean Geometry - Excuesion for Secondary Teachers and Students
The Fabulous Fibonacci Numbers
What Successful Math Teachers Do, Grades PreK-5
What Successful Math Teachers Do, Grades 6-12
Pi
Math Wonders
Advanced Euclidian Geometry
Math Charmers
Maths Wonders to Inspire Teachers and Students
Teaching Secondary Mathematics
101+ Great Ideas for Introducing Key Concepts in Mathematics
Making Geometry Come Alive
Making Algebra Come Alive
Making Pre-Algebra Come Alive
Make Math Come Alive Series
Tips for the Mathematics Teacher
Challenging Problems in Geometry (Dover Books on Mathematics)
Challenging Problems in Algebra (Dover Books on Mathematics)
Teachers! Prepare Your Students for the Mathematics for SAT* I
Students! Get Ready for the Mathematics for SAT* I
Teaching Secondary School Mathematics 3r