P. Burger · P R · R. B. · R. Burger
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Beyond Thirty | 978-0-8032-6184-6 (0-8032-6184-5) | 2001 | Edgar Rice Burroughs · David Brin |
| Pirates of Venus | 978-0-8032-6183-9 (0-8032-6183-7) | 2001 | Edgar Rice Burroughs · Thomas Floyd |