Abecedarium. ALPHABET Pretty pictures and truisms about the children’s friend Wool Soap. Printed by Forbes, Boston, ca. 1900. 32 pages counting the wrappers. Color illustrations using each letter of the alphabet to advertise Wool Soap and its usage by children. 11.5 cm x 13.5 cm. The spine of the wrapper is chipped. Some slight soiling and a small tear on p. 16-17, no paper or text loss, otherwise good condition. A children’s book, used to teach the alphabet and vocabulary, as well as to extol the virtues of cleanliness obtained by using Wool Soap, making this booklet also very clever product advertising. One other copy was located in the Harold B. Lee Library, at Brigham Young University.