Ellery Queen's Mystery Magazine, January 1973

Ellery Queen with Jeff Sweet, Edward Wellen, Jon L. Breen, John Dickson Carr, Edward D. Hoch, H.R.F. Keating, James Powell, Avram Davidson, Hugh Pentecost, Christianna Brand, Maria DiGioia, Roger Westphal, D.R. Bensen, Ruth Rendell, Theodore Mathieson, Agatha Christie, Michael Gilbert