Isabel Mary Mitchell

Isabel Mary Mitchell MBE (1893-1973) was an Australian known for her services to literature. She went blind in the 1940s and wrote about this in "Uncharted country [braille] : aspects of life in blindness." She wrote eight novels after losing her sight through the use of dictaphone and typewriter. She was the daughter of Edward Fancourt Mitchell.

Mitchell also wrote three detective novels under the name Josephine Plain. The Secret of the Sandbank was first published in the Melbourne afternoon daily newspaper The Herald in instalments.

• Mitchell, Mary (1935), The Secret of the Sandbank, Thornton Butterworth
• Mitchell, Mary (1935), The Secret of the Snows, Thornton Butterworth
• Plain, Josephine (1936), The Pazenger Problem, London Thornton Butterworth Ltd

Sister of Janet Charlotte Mitchell.