Artist's book published as Sol LeWitt's contribution to Aspen Magazine issue No. 5+6. Documents LeWitt's notes and designs toward his exhibition, Sol LeWitt : One Set of Nine Pieces [from Serial Project No. 1 (ABCD)], held at Dwan Gallery, Los Angeles, May 10 - June 4, 1967. Also see: Sol LeWitt : One Set of Nine Pieces [from Serial Project No. 1 (ABCD)].
