Book by Harold Augustin Calahan and John B Trevor. Published in 1936; first edition. With a double-sided Course Selector and Distance Finder in the pocket at the back.
Hardback. 145 pages. Weight 840g.
Condition...Vintage book, the best part of a century old, and in good condition for its age. Pages are clean and tidy. Hard covers are in good condition, with some scuffing and fading.