Oh, Mary, Be Careful is a novel written by George Weston and originally published in 1917. The story follows the life of Mary, a young woman who is determined to make a better life for herself and her family. Mary's journey takes her from her small hometown to the big city, where she finds work as a seamstress in a clothing factory. Along the way, she meets a variety of characters, including a wealthy businessman who takes an interest in her, a group...