Co-author Percy Bentley. Undated. With several public service ownershsip stamps (including one to the front cover), the only one of which to carry a date is a 1934 stamp for E. & M. School, S. M. E. Chatham. Rigid card covers.sewn binding, 48 pages. Includes blank pages of squared paper for student’s use (unused). Condition: Soiled and battered, but complete and with binding slack but still holding.