Full name Sidney Hobson Courtier (28 Jan 1904-1974), born in Kangaroo Flat, Victoria. Australian teacher/principal; President P.E.N. (Melbourne branch) who has written 22 mystery/detective novels with series characters Inspector "Digger" Haig and Inspector (later Superintendent) Ambrose Mahon (often ingenious, sometimes in bizarre physical settings)
Set in Australia, it's a murder mystery that keeps you on the edge of your set. Excellence Aussie locale plays a strong role in murders committed during massive burnings caused by a draught across the countryside.