There are 2 books by Mr. R. on BookOrb. A strong starting point is The Math Avengers Workbook (2000). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Mr. R. written?
BookOrb lists 2 books by Mr. R..
Where should I start with Mr. R.?
A good starting point is The Math Avengers Workbook (2000).
What is the Mr. R. books in order list?
In publication order: 1. The Math Avengers Workbook (2000), 2. Mr. R.'s Math Poems (2002).