The author details how psychedelics have led to spontaneous awakening experiences, such as "Indra's net" and universal voidness, that were once thought to be available only to advanced meditators. He explores the use of psychedelics, such as LSD or psilocybin mushrooms, in a Buddhist context, sharing the kind of spiritual experiences and benefits that can be gained with each.

The author also looks at the use of psychedelics encoded in Vedic and Buddhist scriptures, particularly in the Vajrayana tradition, from the Middle Ages until the present day. Presenting an informed summary of Buddhism for psychonauts, the author explores the key beliefs of Buddhism, the life of the Buddha, and the practices followed in various yanas, or paths. He describes meditation techniques, with special attention being given to the generation of the Four Positive Attitudes: loving-kindness, compassion, sympathetic joy, and equanimity, each being taken from their personal to their universal forms.

He looks at Buddhism symbols, ceremonies, deities, and initiations, as well as psychic powers in Buddhist tradition, and how these ideas and practices can be used in the exploration of the inner realms of consciousness. Providing a complete guide to integrating psychedelics into Buddhist practice, this book reveals how the ancient Buddhist teachers discovered their universal maps of consciousness and how you can use their wisdom to guide your journey.