Hardcover, black cloth in publisher’s non price-clipped dust-jacket. 115 pages. First edition, stated first printing. A history of the computer from Babbage, Neumann and Turing up till the early 1960’s. No previous ownership marks. Book is clean, square, fresh and unmarked. Dust-jacket shows mild toning to inside margins of flaps and slight crease to upper rear flap. Very good+ in a very good dust-jacket.