Stuttgart: Edition Rot, 1968. First edition. Softcover square 8vo in wrappers printed in red and black bound in a strip cloth spine. With French fold signatures printed in black and white. Unpaginated (32 pp.) Text in German.
Issue no. 37 in the Rot series edited by Max Bense and Elisabeth Walther largely devoted to concrete poetry and the exploration of language and letterforms. This issue featuring a selection of writings on the topic of math as it relates to art by George David Birkhoff.
Very good with trace amounts of rubbing to covers, faint stain at front cover, small area of foxing along spine at back cover, and light age toning throughout. Item #811