LIMITED EDITION. (12 x 10 inches). One of just 100 numbered and signed copies (this number 4) from a total edition of 500. Printed at the Trigram Press, London, in four colours. 8pp, plus colour printed laminated card covers, designed by Paul Vaughan, and frosted paper wraps with the title printed in blue to the front. The whole booklet is held together with the original white metal clasp spine. First page with a Buckminster Fuller design, printed in bright yellow and with red lettering, the other pages printed in blue and showing detailed diagrams of four of his invented construction ideas. A sharp and bright copy of this rare edition.