Only the bravest, most skilled, and most well-greased of sorcerers dare to conjure the forces that lie beyond the veil of reality. But be warned: once you start down this path, there's no turning back.
Don't forget to bring your own athame, a pinch of moonstone, and a decent sense of insurance coverage.
Disclaimer: The author is not responsible for any accidents, injuries, or spontaneous combustion that may occur as a result of attempting these rituals.