How to Throw Curves de Paulsen, Chas. [Charles]

Minden, Nebraska: Warp, 1934. First edition (37 pp., index). A small booklet, 15 cm x 10 cm (6'' x 4''), stiff wraps, pictorial cover, tan with black titles. Illustrated with photos and diagrams showing how to throw the out-curve or hook, the roundhouse, and the shadow ball among other more familiar breaking pitches. Back cover damp-stained, rusted staples but still entirely presentable. A revised and expanded edition appeared in 1936, but this original edition is apparently quite scarce. Early baseball item