Most Popular Books
- Pre-IB Mathematics: Preparation for Pre-IB Mathematics SL, HL & Studies (OSC IB Revision Guides for the International Baccalaureate Diploma)
- American Regions Mathematics League Contests 2015-2020
- Problems to Enrich and Challenge: NYSML - New York State Mathematics League Contests 1993 - 2000
- Problems to Enrich and Challenge: NYSML - New York State Mathematics League Contests 2011 - 2019
