The book "How Ethel Hollister Became the Girl of the Crimson Hearth" is written by Irene Elliott Benson. This fascinating and educational book tells the story of a girl named Ethel Hollister, who joins the organization "Girls of the Crimson Hearth" and learns many important things: friendship, mutual aid, loyalty and responsibility. Under the guidance of experienced leaders and together with other girls, Ethel discovers new opportunities for herself, develops as a person and learns the principles of honesty and decency. The book "How Ethel Hollister Became a Crimson Hearth Girl" is an inspiring story about the importance of friendship, mutual support and self-improvement.