Bird Watchers Digest

year of pub­li­ca­ti­onISBNauthor(s)title
1996978-1-880241-04-2Richard A. WolinskiBird Watchers Digest 325 Enjoying Purple Martins More Booklet
2007978-1-880241-12-7Bird Watchers Digest PressUnderstanding Bats
2002978-1-880241-16-5Bill Thompson IIIThe Backyard Bird Watcher's Answer Guide