18 books in series

33 1/3

33 1/3 is a 18-book series with 18 primary works first released in 2003 with contributions by Warren Zanes, Andy Miller, John Eric Cavanagh, Elisabeth Vincentelli, John M. Perry, Michaelangelo Matos, Joe Harvard, Dai Griffiths, Erik Davis, Bill Janovitz, Nicholas Rombes, Hugo Wilcken, Ben Sisario, Gillian G. Gaar, Mark Polizzotti, Jordan Ferguson, George Grella Jr., and Annie Zaleski.