Lot of 5 books on piano tuning, service and repair. Titles are as follows:

Piano Servicing, Tuning, and Rebuilding for the Professional, the Student, and the Hobbyist - Arthur A. Reblitz, 1993 SC, 2nd Edition
Scientific Piano Tuning and Servicing - Alfred P. Howe, 1976 HC/DJ, Revised 3rd edition
Professional Piano Tuning - W. Dean Howell, 1969 HC/DJ, 2nd edition 
Theory and Practice of Piano Construction - William B. White, 1975 SC
Piano Tuning and Allied Arts - William Braid White, 1953 HC, 5th Edition Revised & Enlarged

All are in very good used condition.