Series | | Books |
|
The Expeditor | | (1973) |
| | (1973) |
| | (1974) |
| | (1974) |
| | (1975) |
|
Shamryke Odell | | (1970) |
| | (1972) |
|
Other | | The Eyes of Bolsk [Troro] (1969) |
| | Master of the Etrax [Troro] (1970) |
| | Dracula Returns! [Dracula] (1973) |
| | The Hand of Dracula! [Dracula] (1973) |
| | Dracula's Brothers [Dracula] (1973) |
| | Dracula's Gold [Dracula] (1973) |
| | The Drums of Dracula [Dracula] (1974) |
| | Identity Seven (1974) |
| | Dracula's Lost World [Dracula] (1974) |
| | The Thirteen Bracelets (1974) |
| | The Green Flames of Aries [Horror Scopes] (1974) |
| | The Revenge of Taurus [Horror Scopes] (1974) |
| | The Curse of Leo [Horror Scopes] (1974) |
| | Dracula's Disciple [Dracula] (1975) |
| | Gemini Smile, Gemini Kill [Horror Scopes] (1975) |
| | Challenge to Dracula [Dracula] (1975) |
| | The Witching of Dracula [Dracula] (1976) |
| | Ragnarok! (2014) |
|