The letters are mostly addressed to Austen's sister Cassandra, with whom she was very close. There are also some letters written to two of her nieces, Anna Austen Lefroy and Fanny Knight. They include some references to her published work, including Sense and Sensibility, Pride and Prejudice, Mansfield Park and Emma. They are also replete with details about her family life, including the extended families and careers of her brothers, James, Edward, Frank, Henry, and Charles. This collection of letters provides an invaluable glimpse into the author's life, which was spent primarily within a close-knit family circle making perceptive observations of human behavior and relationships. These letters, pervaded by charming wit, will be a joy to read.