A 1989 color lithograph by Eric Orr. From "In Barcelona" portfolio, 1988-1989. Published by Ediciones Polgrafa, Barcelona. Artist's signature "("Orr"), date, and edition number ("42/75") to the lower margins in pencil. Not framed. A collaborative book by Eric Orr and James Lee Byars (American, 1932-1997). The book is comprised of anodized steel with extensive images and text, mostly serving as a quasi-catalogue raisonne of Orr's work, along with texts jointly authored by Orr and Byars. The book is accompanied by a handmade ball of fired clay, titled by Byars "The Sphere of Generosity."