Along with their previously announced appearance at the Cannabis Cup, Bill Kreutzmann and Benjy Eisen will appear at Sweetwater Music Hall in Mill Valley, CA on May 27 to discuss the drummer’s new book Deal: My Three Decades of Drumming, Dreams and Drugs with the Grateful Dead.

The book, due out on May 5, features 416 pages of Kreutzmann’s time with the Grateful Dead along with a slew of other stories and accounts from his musical past.

Tickets to the Sweetwater appearance are now on sale via the venue’s website.