Soaring For Diamonds - Used
by Joseph Colville Lincoln
This book is no longer in print.  At right are links to used copies.
Paperback, 210 pages, dozens of excellent black and white photos, Copyright 1964, Fourth edition in 1972
Dimensions: 5.98 x 8.98 x 0.63 inches (152 x 228 x 16 mm)

A time-capsule from the days when the Schweizer 1-23 was a high-performance sailplane.  Many of the concepts are still applicable today.

Search for used copies at: alibris or amazon.com or Barnes&Noble or ebay