Herbert William Mullin early 1970's Santa Cruz, CA serial killer.
Two page handwritten letter signed twice. Signed at the top, H.W. Mullin, and hand signed at the close, Herb Mullin. There is also a receipt which was sent to Mullin that he returned and includes in commentary on the book within the letter.
Includes the original stamped prison mailed envelope hand signed, H.W. Mullin, with 8 lines of address handwritten by Mullin.