John L. Bull has written at least 1 book. Their most popular book is The National Audubon Society field guide to North American birds. with 2 saves with an average rating of 4⭐.
Series
1 released bookAuthored 20% of series
National Audubon Society Field Guides is a 5-book series first released in 1977 with contributions by National Audubon Society, Peter Alden, and 4 others.