I have three classic observing guides for sale:
1. "Observational Astronomy for Amateurs", 4th edition (1982) by J.B. Sidgwick, revised by James Muirden, softcover, 348 pages, very good condition, slight wear on bottom front cover.
2. "Amateur Astronomers Handbook" 4th edition (1980) by J.B. Sidgwick, revised by James Muirden, softcover, 569 pages, good condition, slight wear, slight stain.
3. "The Southern Sky" by David Reidy and Ken Wallace, first edition (1987), softcover, 182 pages, excellent condition, no wear or marks.
Each book is $12 each or you may pick 2 for $20, or all 3 for $30. Includes postage in Cont US.