Benoît Heilbrunn · Bent Hylleberg
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Boron Letters | 978-1-4848-2598-3 (1-4848-2598-5) | 2013 | Gary C. Halbert |
| The Halbert Copywriting Method Part III: The Simple Fast & Easy Editing Formula That Forces Buyers To Read Every Word Of Your Ads! | 978-1-5346-3205-9 (1-5346-3205-0) | 2016 | |