At the Circulating Library Author Information: Charles Martel
Author: Charles Martel (1810–1865)
Alternate Name(s): (pseudonym); Thomas Delf (legal name)
Biography: Bookseller and author.
References: British Census (1861)
- The Detective's Note-Book. 1 vol. London: Ward, Lock, 1860.
- Diary of an Ex-Detective. 1 vol. London: Ward, Lock, 1860.