"The Astral Plane" is a book written by Charles Webster Leadbeater, often abbreviated as C. W. Leadbeater. Leadbeater was a prominent figure in the Theosophical Society, a spiritual organization founded in the late 19th century. "The Astral Plane" was first published in 1895 and has since become a classic in the field of esoteric literature. In the book, Leadbeater explores the concept of the astral plane, which is believed to be a level of reality beyond the physical world, inhabited by subtle beings, energies, and thought-forms. According to Theosophical teachings, the astral plane is thought to be a realm of consciousness where emotions, desires, and psychic phenomena manifest in forms that are more fluid and malleable than in the physical realm. Leadbeater delves into various aspects of the astral plane, including its inhabitants, landscapes, and laws. He discusses different levels or sub-planes within the astral realm and describes the experiences of individuals who are able to consciously travel or project their consciousness onto the astral plane through techniques such as meditation or astral projection.