Abstract Abstract Principles of Business Letter WRITING, by Sally B. Maybury, New York: The Ronald Press Company, 4198 pp., 1959. $4.50. GENERAL RECORD KEEPING, 4th Ed., by P. Myers Heiges, Arnold E. Schneider and Harry Huffman; New York: Gregg Publishing Division. McGraw-Hill Book Company, Inc., 384 pp., 1959. $3.96. Salesmanship FUNDAMENTALS, 2d Edition, by John W. Ernest and George M. DaVall, New Yolrk: Gregg Publishing Division, McGraw-Hill Book Company, Inc., 414 pp., 1959. $4.16. OFFICE AND SECRETARIAL TRALNING, 4th Ed., by Rufus Stickney, Blanche G. Stickney, Kathleen Flood. Helen G. Horton, and Harriet S. Weil: Englewood Cliffs, New Jensey: Prentice Hall, Inc., 312 pp., 1959. $3.60.