W. T. · W.W. · W. Walter · Walter T.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Underdog's Guide to the SAT Math Workbook: 375 SAT Math Prep Questions You Need to Know before Game Day | 978-1-5148-6358-9 (1-5148-6358-8) | 2015 |
| The Underdog's Guide to the SAT Writing Workbook: The 31 Categories of SAT Writing Questions You Need to Know before Game Day | 978-1-5148-6426-5 (1-5148-6426-6) | 2015 |