A journalist, critic, podcaster, counter-public intellectual and author of Techgnosis: Myth, Magic, and Mysticism in the Age of Information(Crown, 1998), Led Zeppelin IV (Continuum, 2005), The Visionary State: A Journey through California's Visionary Landscape (Chronicle Books, 2006), and Nomad Codes: Adventures in Modern Esoterica (Yeti, 2010). Erik has over 7k Twitter followers and a weekly podcast called "Expanding Mind" on the Progressive Radio Network.