"De Profundis" is a lengthy letter written by a man during his imprisonment for gross indecency, reflecting on his past life and experiences. The letter is addressed to his former lover, and through it, he expresses his feelings of regret, despair, and hope. The man discusses his spiritual journey during incarceration, his newfound understanding of suffering, and his changing views on art and morality. The work is a profound exploration of love, forgiveness, redemption, and the human spirit's resilience.

This book is a compilation of the personal correspondence between two of the most prominent French literary figures of the 19th century. Their letters offer an intimate look into their lives, thoughts, and the deep friendship they shared. The exchange covers a wide range of topics, including their literary works, their critiques of each other's work, their views on contemporary society, politics, and culture, as well as their personal joys, sorrows, and struggles.

"The Habit of Being" is a collection of personal correspondence by a renowned southern writer, offering a profound insight into her private life, thoughts, and creative processes. These letters, written over a span of two decades, reveal her struggle with lupus, her strong Catholic faith, her sharp wit, and her dedication to writing. The book also provides a glimpse of her relationships with literary contemporaries and her insightful thoughts on contemporary issues, literature, and religion.

"The Crack-Up" is a collection of essays and letters penned during a critical period of the author's life, reflecting his state of mind during his personal and career crisis in the 1930s. The book includes the author's personal reflections, his observations on contemporary American society, and his views on literature. It provides an intimate look into his struggle with alcoholism, his failing marriage, and his own sense of self-worth, offering a stark contrast to his earlier, more optimistic works.