Hardcover. Sixth ed. Hardcover, original brown ad black blindstamped decorative cloth, stamped gilt lettering, index, 112 pp, no illustrations. Very good. A bit scuffed, rubbed along edges, corners bumped with a bit of cardboard exposed there, approximately 1/4 inch fraying at head and foot of spine. Internally, some foxing on endpapers, closed hairline cracks on front and rear hinges, previous owner's name and address (George Walton Abrams, Croton Falls, NY College of Pharmacy) , partially erased old bookseller's prices, paper age yellowed, a few stray spots of foxing, otherwise tight, clean, paper crisp, unmarked. School; chemistry. *****************************.