Related Clues:
- Creator of Della and Perry
- Name on the cover of ''The Case of the Lucky Loser''
- 'Out of the Silence' novelist Cox
- Mystery novelist -- Stanley Gardner
- Ava of the movies
- _____ Stanley Gardner
- Colleague of Agatha/Dashiell
- Perry Mason creator Gardner
- Stanley Gardner of mysteries
- Mason's creator
- Erle Stanley ..., Ava ...
- First name in whodunit mysteries
- Name on the cover of Perry Mason books
- Mason's Gardner?
- Contemporary of Raymond and Agatha