A Wanderer in The Spirit Lands, The Tebettan Book of the Dead, the vetic texts, The Egyptian Book of the Dead, Gosple of the Witches, God of Witches, Knowledge of the Higher Worlds, Spirit Teachings, Spirit World and Spirit Life, and Robert Bruce's books. You can find most of those books on the web, except for Robert Bruce's books. If you go to www.sacred-magick.com, you'll have to become a member in order to download spiritual books from there. If you're still looking for spiritual books, have fun with those.