Portney's Ponderables: Brain Teasers for Navigators

By Joe Portney

"Navigation puzzles, controversies, historical problems, and other ponderables demystified by an expert navigator and writer. Joe Portney is a US Naval Academy graduate and Air Force navigator who has... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0914025198
• ISBN13: 9780914025191
• Release Date: October 2009
• Publisher: Starpath Publications
• Length: 170 Pages
• Weight: 0.38 lbs.
• Dimensions: 0.4" x 5.0" x 8.0"