Creator of the Saxon Math incremental-development curriculum.
Resources by John Saxon
7 resources

Calculus with Trigonometry and Analytic Geometry
Saxon PublishersBookJohn Saxon's senior-level calculus course — the recommended math for Challenge IV's Reasoning strand.
Grades 11–12from $190.69
Physics: An Incremental Development
Saxon PublishersBookJohn Saxon's incremental high-school physics — the recommended lab-science alternative in Challenge IV's Research strand.
Grades 11–12used from $8.19
Saxon Advanced Mathematics Homeschool Kit
Saxon PublishersBookSaxon's pre-calculus course — the math level CC recommends for Challenge III, though any program may be used.
Grades 11–12used from $9.50$127.97
Saxon Algebra ½ Homeschool Kit
Saxon PublishersBookOne of CC's recommended math options for Challenge A — Challenge A itself requires no set math text.
Grades 7–8from $33.01
Saxon Algebra 1 Homeschool Kit
Saxon PublishersBookCC's recommended math option for Challenge I — Challenge I itself requires no set math text.
Grades 8–9used from $5.75$31.95
Saxon Algebra 2 Homeschool Kit
Saxon PublishersBookCC's recommended math option for Challenge II — Challenge II itself requires no set math text.
Grades 9–11used from $80.75
Saxon Math 8/7 Homeschool Kit
Saxon PublishersBookOne of CC's recommended math options for Challenge A — Challenge A itself requires no set math text.
Grade 7from $130.95