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James P. Duff is the creator of 'Johnny Phelan', a private investigator in Los Angeles, California. |
Titles and year of publication:
| 'Johnny Phelan' Novels | |
| 1) Some Die Young (Also published as: Mind Over Mayhem [1958]) | 1956 |
| 2) Who Dies There? | 1956 |
| Other Novels | |
| 1) Run from Death | 1957 |
| 2) Dangerous to Know | 1959 |