That Lass o' Lowrie's-Frances Hodgson Burnett

Habits that Handicap is one of three novels about alcoholism and drug addiction written by Charles B. Towns. Towns was an expert on alcoholism and drug addiction who helped draft drug control legislation in the United States during the early 20th century. He also founded the Towns Hospital in New York City, which aimed at drying out the well-to-do patient. (Summary by Guero and Wikipedia.)