Many ancient peoples built their sacred sites in dead straight lines. The magical paths involved astronomy and geomancy, and were used for spirit flight both by the living as they slept or travelled in shamanic trance, and by spirits of the dead, both recently and long deceased. Danny Sullivan was editor of the renowned Ley Hunter magazine. Here he introduces the complex subject of Ley Lines, giving examples from around the world, including many from the British Isles where this psychic science has been practiced by wizards for a very long time.