Cordelia Frances Biddle

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Cordelia Frances Biddle is the author of the Martha Beale Mystery series. A member of one of Philadelphia’s oldest families, she uses many of her actual ancestors as characters in her historical mysteries. She also cowrote the Nero Blanc Crossword Mystery series with her husband, Steve Zettler, with whom she lives in Philadelphia. Her website is www.cordeliafrancesbiddle.net.