T.P ยท The Editors
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Letters to Penthouse III: More Sizzling Reports from America's Sexual Frontier--in the Real Words of Penthouse Readers! | 978-0-446-36296-2 (0-446-36296-4) | 1992 |
| Letters to Penthouse IV: They Stop at Nothing -- and They Tell It All! | 978-0-446-60056-9 (0-446-60056-3) | 1994 |