| title | ISBN-13 | year of publication |
|---|
| 7,000 Multiplication Problems Practice Workbook: Improve Your Math Fluency Series | 978-1-4486-1313-7 | 2009 |
| 10,000 Addition Problems Practice Workbook: Improve Your Math Fluency Series | 978-1-4486-1104-1 | 2009 |
| 10,000 Subtraction Problems Practice Workbook: Improve Your Math Fluency Series | 978-1-4486-1178-2 | 2009 |
| Addition Facts Practice Book: Improve Your Math Fluency Series | 978-1-4486-0795-2 | 2009 |
| Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations: Improve Your Math Fluency Series | 978-1-4536-6138-3 | 2010 |
| Division Facts Practice Book: Improve Your Math Fluency Series | 978-1-4486-0975-8 | 2009 |
| Full Color Illustrations of the Fourth Dimension, Volume 2: Hypercube- and Hypersphere-Based Objects | 978-1-4495-2934-5 | 2009 |
| Master Long Division Practice Workbook: Improve Your Math Fluency Series | 978-1-4486-1425-7 | 2009 |
| Multiplication Facts Practice Book: Improve Your Math Fluency Series | 978-1-4486-0689-4 | 2009 |
| Practice Adding, Subtracting, Multiplying, and Dividing Fractions Workbook: Improve Your Math Fluency Series | 978-1-4515-3470-2 | 2010 |
| Practice Adding, Subtracting, Multiplying, and Dividing Mixed Fractions Workbook: Improve Your Math Fluency Series | 978-1-4609-9359-0 | 2011 |
| Practice Addition, Subtraction, Multiplication, and Division with Negative Numbers Workbook: Improve Your Math Fluency Series | 978-1-4515-4760-3 | 2010 |
| Practice Arithmetic with Decimals Workbook: Improve Your Math Fluency Series | 978-1-4536-2693-1 | 2010 |
| Subtraction Facts Practice Book: Improve Your Math Fluency Series | 978-1-4486-0879-9 | 2009 |
| The Visual Guide To Extra Dimensions: The Physics Of The Fourth Dimension, Compactification, And Current And Upcoming Experiments | 978-1-4414-9753-6 | 2009 |