| title | ISBN-13 | year of publication |
|---|---|---|
| Blood for a Dirty Dollar | 978-0-352-30471-1 | 1974 |
| Coffin Full of Dollars | 978-0-352-30744-6 | 1980 |
| Devil's Dollar Sign | 978-0-352-30743-9 | 1980 |
| For a Few Dollars More | 978-0-352-30740-8 | 1980 |
| Good, the Bad and the Ugly | 978-0-352-30739-2 | 1980 |
| Million Dollar Bloodhunt | 978-0-352-30745-3 | 1980 |