Jeb Middlebrook publishes cover chapter on legendary hip-hop group, Run-DMC, in Greenwood Press Icons Series book, Icons of Hip-Hop: An Encyclopedia of the Movement, Music, and Culture, edited by Dr. Mickey Hess. Screen shot of table of contents:
http://books.google.com/books?id=bXy2wTEsbCsC&printsec=frontcover&dq=icons+of+hip-hop&ei=RznFSa6SCpTOkwTn5qWDDg#PPR5,M1