| Reference |
|---|
| All Math Words Dictionary |
| Numbers |
| Learning With Play Money |
| Amazing Numbers |
| Activity Books |
| Mazes Galore! |
| Geometry |
| Shapes Three-D |
| My Favorite Fractals |
| Geometric Nets Project Book |
| Arithmetic |
| One Penny, Two |
| Inspirational |
| How I Got My Scar |
| Think Like a Genius! |
| Science |
| Monster Creatures of the Deep Sea |
| Time is Totally Weird |
| Mind Benders |
| My Favorite Fractals |
| 50 Riddles |
| Mazes Galore! |
| For the Math Enthusiast |
| The First Million Digits of Pi |
| The First Million Digits of e |
| Square Root of 2 to One Million Digits |
| The First 100,000 Prime Numbers |
| Geometric Nets Project Book |
| Mazes Galore! |