Design by Light: 98 Studies in Pattern is an influential 1939 design portfolio created by Merle E. Raber and Robert M. Wright. Published as a large folio by J. H. Jansen in Cleveland, Ohio, the work focuses heavily on modernist, three-dimensional abstract color decorations and geometric motifs. Features 16 plates illustrating 98 distinct design studies exploring abstract patterns, light interplay, and three-dimensional color coordination. Complete copy in very good condition for age, buyer to pay $6 shipping.