"A Witch Alone" is a book by Marian Green that explores the practice of solitary witchcraft. It provides guidance for individuals who wish to connect with their spiritual path without the need for a coven or group. The book covers various aspects of witchcraft, including rituals, spells, and the importance of personal intuition. The author emphasizes the significance of self-discovery and empowerment in the witchcraft journey. Readers are encouraged to create their own practices and rituals that resonate with them, fostering a deeper understanding of their connection to nature and the universe.