Senior Sleuths
by Isaac Asimov, Martin H. Greenberg, Carol-Lynn Rossel Waugh, Agatha Christie, Donald E. Westlake, John Dickson Carr, James Yaffe, Hugh Pentecost, Arthur Conan Doyle, Gilbert Keith Chesterton, Theodore Mathieson, Dorothy Salisbury Davis, Helen McCloy, Thomas Larry Adcock, Charlotte MacLeod, Stuart Palmer, Craig Rice, Edward D. Hoch
The case of the perfect maid / Agatha Christie Never shake a family tree / Donald E. Westlake The man who explained miracles / Carter Dickson (John Dickson Carr) Mom knows best / James Yaffe A bad influence / Hugh Pentecost [His last bow](https://openlibrary.org/works/OL262452W/His_Last_Bow) / Sir Arthur Conan Doyle Hot or cold / Isaac Asimov The hammer of God / G.K. Chesterton No motive / Theodore Mathieson Mrs. Norris observes / Dorothy Salisbury Davis The pleasant assassin / Helen McCloy The life of a big whale / Thomas Adcock Journey for Lady G. / Charlotte MacLeod Rift in the loot / Stuart Palmer and Craig Rice The house of a hundred birds / Edward D. Hoch