Phil Weidman, Slant Step Book, The Art CO, 1969, Near Fine with 3 pieces of ephemera

Weidman, Phil, Slant Step Book, Sacramento: The Art CO, 1969. English, first edition softcover, Near Fine 8vo, 6" x 9", 36 pp. Near Fine octavo softcover with black-and-white photograph and black title to front, blank spine, minor bruising to head, minimal shelf wear, previous owner's name written in pen on title page, tightly bound, . Black-and-white photographs and illustrations throughout. Includes interview between Frank Owen, Phil Weidman, and Bruce Nauman, The Slant Chant by William Witherup, a poem by Lawrence Dean Philips, and a letter to Weidman from Peter Saul.   Ephemera 1: Typed copy of essay The Slant Step Saga by The Richard T. Nelson Gallery, complied by Cynthia Charters Foley. Double-sided, stapled at top left corner, 16 pp., including bibliographical references. Describes the history of the Slant Step through 1982.  Ephemera 2: Coffelt, Beth, The Life and Times of Slant Step. San Francisco: California Living Magazine, July 24, 1983.   Ephemera 3: The Slant Step Revi