Second Edition, 1968. Hardcover in Dust Jacket. viii, 233 ; pp. ~5.75" x 8.75". ; Very Good Condition.  Please examine photos closely . ; Mild shelf wear & aging to covers. ; Binding is firm. ; Light age spotting to top of text block. Jacket with publisher's sticker on front flaps shows light shelf wear & aging, mild soiling, cut at front bottom tip. Protected in clear archival sleeve -- there is glare in the photos. Interior is evenly toned, clean, free of markings. Please ask any questions before purchase. All sales are final. Thanks . . .