American Museum Science Books, 1964. 1st. 12Mo Softcover. Good. Item #76669
182pp. Text is unmarked with a mild patina and a few dogeared pages. Brown wraps are gently edgeworn with a 1/2 inch tear on bottom of foot. Binding is tight and square, hinges are secure. Foxing on endpages and text-block. Price scribbled out on front panel, bookstore stamp and name written inside.