The Keys of Heaven is a book written by Clara Elizabeth Laughlin and published in 1918. It is a fictional story that revolves around the life of a young girl named Molly, who lives in a small town in the United States. Molly is a devout Christian and is deeply committed to her faith. However, she is faced with many challenges and struggles in her life, including poverty, illness, and the death of her parents.Despite these difficulties, Molly remains...