The Lotus and the Bud: Cannabis, Consciousness, and Yoga Practice by Christopher S. Kilham is a wonderful guide to deepening one’s explorations into the expanded states of consciousness offered through yoga practice.
The Tree Angel Oracle by Fred Hageneder is a truly beautiful deck, illustrated by Anne Heng. The cards are illustrated with fairy-like figures ethereally interwoven with an image of a tree, creating a magical, endearing effect.