New York: Dover Publications, Inc., (1965).
Softcover. Reprint. Octavo. 431 [5, ads] pp. Illustrated in black and white from photographs and drawings. Printed wrappers. Ownership signature of a noted American psychologist on the first page, spine sunned, cover a bit curled at the foredge with a small crease at the lower corner, very good. A reprint of the second edition, published in 1947, with a new preface by the author.