May 3, 2015March 11, 2016Puzzle Doctor The Time Of Murder At Mayerling by Ann Dukthas aka Paul Doherty
September 29, 2013March 13, 2016Puzzle Doctor The Prince Lost To Time by Ann Dukthas aka Paul Doherty
May 24, 2013March 13, 2016Puzzle Doctor A Time For The Death Of A King by Ann Dukthas aka Paul Doherty