Astral Doorways: Techniques for Experiencing the Boundless Possibilities of the Astral Plane

Skyward

Brandon Sanderson

Out There

Michael Wall

Invisible Planets

Into the magic shop

James R. Doty

The Universe

John Brockman

Stora boken om rymden

Emily Bone

The mystery experience

Tim freke

Out of body experiences

Robert Peterson

Demystifying the out-of-body experience

Luis Minero

Dreaming yourself awake

Alan Wallace

Trance-Portation Learning to Navigate the Inner World

Diana L Paxson

Soul centered astrology

Alan Oken

The View from the Center of the Universe

Joel R. Primack

Wayward Mind

Guy Claxton

The sunborn

Gregory Benford

Englenes verden

The Complete Astral Traveller

Christopher Nichols

The Sirian Seal

Patricia Cori

The Seth Material

Jane Roberts

The art of spiritual dreaming

Harald Klemp

The Secret Language of the Stars and Planets - A Visual Key to the Heavens

Geoffrey Cornelius

The Door in the Sky

Ananda K. Coomaraswamy

The Last Eclipse Planetary Change and Universal Being

Jonathon R. Spinney

Univers Uten Grenser

Stephen W. Hawking

At the edge of the universe

Alan wright

The UFO Phenomenon

Time Life

Ufo-fenomenet

Johannes von Buttlar

The Truth About Astral Projection

Llewellyn Macgarr

The Universe Within

Morton Hunt

Planets in Transit

Robert Hand

Planets in Love

John Townley

the directory of possibilities

Colin Wilson and John Grant

The Planets and human behaviour

Jeff Mayo

Techniques of Astral Projection

Robert Crookall

The round Art

A.T. Mann

An Astrological Guide to Self-Awareness

Donna Cunningham

Secret Doors of the Earth: The Hidden Influence of Ancient Aliens and Sacred Geography on Human History

Jacques Bergier

Planets in Aspect

Robert Pelletier

Easy Journey to Other Planets By Practice of Supreme Yoga

A. C. Bhaktivedanta Swami Prabhupāda