The sketchbooks of Paolo Soleri

"Paolo Soleri (21 June 1919 ? 9 April 2013) was an Italian-American architect. He established Arcosanti and the educational Cosanti Foundation. Soleri was a lecturer in the College of Architecture at Arizona State University and a National Design Award recipient in 2006. He died at home of natural causes on 9 April 2013 at the age of 93."--Wikipedia.