"Adventures Beyond the Body" by William Buhlman: A practical guide to out-of-body experiences, encouraging readers to explore their spirituality and the astral realm.

"My Big TOE" by Thomas Campbell: Thomas Campbell's work bridges physics and metaphysics to explain consciousness and reality. A must-read for those who want to understand out-of-body experiences from a scientific perspective.

"Journeys Out of the Body" by Robert Monroe: The groundbreaking book by the founder of The Monroe Institute, sharing his personal experiences and laying the groundwork for understanding the phenomenon.

"The Secret of the Soul" by William Buhlman: This book focuses on how understanding out-of-body experiences can enhance one’s life and spirituality.

"The Phase" by Michael Raduga: A comprehensive guide on how to enter and navigate the phase state of the mind, a place that is identical to the astral plane.

"Leaving the Body" by D. Scott Rogo: An exploration of different methods to induce out-of-body experiences, from a historical and practical perspective.

"Multidimensional Man" by Jurgen Ziewe: Ziewe documents 40 years of his out-of-body experiences and the realms he visited, providing an in-depth look at the non-physical universe.

"Astral Dynamics" by Robert Bruce: A thorough guide on astral projection, energy work, and the astral world by a respected authority in the field.

"Vistas of Infinity - How to Enjoy Life When You Are Dead" by Jurgen Ziewe: An extension of Ziewe's out-of-body travels, sharing what he learned about life after death.

"Energy Work" by Robert Bruce: This book provides the tools for activating and using one’s energy body to enhance their life and spiritual practices.

"Demystifying the Out-of-Body Experience" by Luis Minero: A practical approach to understanding and mastering the art of astral travel.

"Astralreisen: Die ultimative Anleitung für außerkörperliche Erfahrungen" by Oliver Fox: A classic text by one of the first Western explorers of astral projection, detailing his techniques and experiences.

"Out of Body Experiences" by Robert Peterson: Peterson shares techniques for inducing OBEs as well as his own insights into the nature of the astral plane and the self.

"Exploring the Fifth Dimension" by Dr. Bruce Goldberg: This book delves into the spiritual realm, discussing different planes of existence and the experiences one can have there.

"Astral Travel for Beginners" by Richard Webster: An easy-to-follow guide for those new to the concept of astral projection, with simple exercises to get started.

"The Astral Projection Guidebook" by Erin Pavlina: Pavlina offers her insights and tips on how to travel the astral plane safely and effectively.

"The Art and Practice of Astral Projection" by Ophiel: Ophiel provides a unique system of techniques to help the reader explore the astral world.

"Beyond the Body" by Susan J. Blackmore: Blackmore investigates out-of-body experiences from a psychological standpoint, offering theories and explanations.

"Out-of-Body Exploring" by Preston Dennett: Dennett provides a step-by-step method for achieving out-of-body experiences, backed by personal anecdotes.

"The Journey of Robert Monroe: From Out-of-Body Explorer to Consciousness Pioneer" by Ronald Russell: This biography of Robert Monroe provides insight into his life, his experiences, and the impact of his work.

"The Out-of-Body Experience: The History and Science of Astral Travel" by Anthony Peake: Peake examines the phenomenon of OBEs through a blend of scientific research, historical accounts, and personal narratives.

"Astral Projection: A Guide on How to Travel the Astral Plane and Have an Out-of-Body Experience" by Daniel Kai: A straightforward guide detailing methods and techniques for astral projection.

"The Complete Book of Astral Projection" by Clifford Pickover: A look at the science and mystery behind the astral projection phenomenon.

"Astral Projection Plain & Simple" by Osborne Phillips: A no-nonsense guide to achieving astral travel, designed for beginners.

"The Practical Guide to Astral Projection" by Melita Denning and Osborne Phillips: This book provides a detailed, systematic approach to achieving