11 different copies of "Chicago Engineering Review/ Works" booklets, included items run from Vol. 7 Number 2 dated June 1926 and latest copy Vol. IX Number 9-10 dated January- February 1929, all in respectable condition considering age, size of all are 5 5/8"w x 8 3/4"h, all are 24 pages long, price is $50.00 for all 11 issues, call/ text Doug