1.
The Backyard Birdsong Guide Eastern and Central North America: A Guide to Listening
by Kroodsma, Donald, McQueen, ...
ISBN: 9781943645015
List Price: $34.95
2.
Backyard Birdsong Guide (Western North America) : A Guide to Listening
by Kroodsma, Donald, McQueen, ...
ISBN: 9781943645008
List Price: $34.95
3.
Birds of the Ligonier Valley
by Leberman, Robert C., Janosi...
ISBN: 9780911239072
List Price: $6.00