J.K · Justin Kestler and Ben Florman · Justyna Kusztal
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Guide to the SAT & PSAT | 978-1-4114-0150-1 (1-4114-0150-6) | 2004 | Ben Florman · SparkNotes |
| New Testament | 978-1-58663-480-3 (1-58663-480-1) | 2002 | Ben Florman |