Mrs. Mike, the Story of Katherine Mary Flannigan is a novel by Benedict and Nancy Freedman set in the Canadian wilderness during the early 1900s.

Considered by some a young-adult classic, Mrs. Mike was initially serialized in the Atlantic Monthly[1] and was the March 1947 selection of the Literary Guild.

[2] The work combines the landscape and hardships of the Canadian North with the love story of Royal Canadian Mounted Police Sergeant Mike Flannigan and the young Katherine Mary O'Fallon, newly arrived from Boston, Massachusetts.

[3][4][5] According to her fictionalized account, in 1907 at age 16 O'Fallon travels to Calgary to visit her uncle and recover from pleurisy.

[1] A film version, with Evelyn Keyes as Katherine Mary and Dick Powell as Mike, was released in 1949.