There are 4 books by Mary Swarthout on BookOrb. A strong starting point is Helping Students Understand Geometry (2005). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Mary Swarthout written?
BookOrb lists 4 books by Mary Swarthout.
Where should I start with Mary Swarthout?
A good starting point is Helping Students Understand Geometry (2005).
What is the Mary Swarthout books in order list?
In publication order: 1. Helping Students Understand Geometry (2005), 2. Helping students understand pre-algebra (2005), 3. Helping Students Understand Algebra II, Grades 7+ (2008), 4. Helping Students Understand Geometry, Grades 7+ (2008).