Dennis McKenna - The Screaming Abyss - TRAILER. FULL EPISODE: http://www.LondonRealAcademy.com/episodes/dennis-mckenna-the-screaming-abyss/ Dennis Mckenna is an ethnopharmacologist and author. His latest book, The Brotherhood Of The Screaming Abyss, chronicles the time he spent with his brother, the legendary Terence McKenna.

SUBSCRIBE ON YOUTUBE: http://bit.ly/SubscribeToLondonReal

LONDON REAL ACADEMY: http://www.londonrealacademy.com

Music by: Sattyananda - Easthern Mystic Rituals https://soundcloud.com/sattyananda