Brotherhood of the Screaming Abyss is a compelling memoir by Dennis McKenna, exploring his life alongside his brother Terence McKenna and their shared journey into psychedelics, philosophy, and scientific discovery.
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Set against their childhood in 1950s–60s Colorado, the book traces the origins of the McKenna brothers’ ideas—blending personal storytelling with reflections on consciousness, psychedelic experimentation, and the cultural impact of entheogens. At its center is the legendary La Chorrera experiment, offering Dennis’s perspective on one of the most iconic moments in psychedelic history.
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Part memoir, part intellectual exploration, this book weaves together science, myth, and lived experience—offering a deeply human account of brotherhood, curiosity, and the search for meaning.
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Why this book matters
- Offers a first-hand account of psychedelic history and experimentation
- Explores the intersection of science, consciousness, and philosophy
- Reveals the personal and intellectual bond between Dennis McKenna and Terence McKenna
- Provides insight into the La Chorrera experiment, a pivotal moment in psychedelic culture
- Blends memoir and theory to deepen understanding of entheogens and human awareness
