•
The Scholar and the State: In Search of Van der Waerden Springer, New York, 2015 (publisher: Birkhauser-Springer, Basel) •
Mathematics as Problem Solving Center for Excellence in Mathematical Education, Colorado Springs, 1987 •
How does one cut a triangle? Center for Excellence in Mathematical Education, Colorado Springs, 1990 •
Colorado Mathematical Olympiad: The First Ten Years and Further Explorations Center for Excellence in Mathematical Education, Colorado Springs, 1991 •
Geometric Etudes in Combinatorial Mathematics Center for Excellence in Mathematical Education, Colorado Springs, 1994 •
The Mathematical Coloring Book Springer, New York 2009 •
Mathematics as Problem Solving 2nd ed. Springer, New York 2009 •
How Does One Cut a Triangle? 2nd ed. Springer, New York 2009 •
The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics Springer, New York 2011 •
The Colorado Mathematical Olympiad; The Third Decade and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics Springer, New York 2017 •
Geometric Etudes in Combinatorial Mathematics 2nd ed. Springer, New York 2010 •
Ramsey Theory: Yesterday, Today, and Tomorrow, (editor and contributor) Birkhäuser-Springer 2011 •
Life and Fate: In Search of Van der Waerden, appeared in November 2008 in Russian. The expanded English edition,
The Scholar and the State: In Search of Van der Waerden, was published by Birkhäuser-Springer in 2017. •
The New Mathematical Coloring Book, Springer, New York, 2024. The new 2024 book doubles the volume of the original 2009 monograph. ==References==