Principles of Behavioural Analysis by John Rodney Millenson
1967. First Edition. 488 pages. No dust jacket. Blue cloth. Inscription to front endpaper. Pages are clean and bright with a firm binding. Endpapers and page edges are lightly tanned and foxed. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed.