Outdoor duo: Field Guide to North American Birds & Tree Finder booklet

National Audubon Society Field Guide to North American Birds. Second edition, Third printing, January 1997. 7 3/4” h x 4” w x 1 1/2” d 822 pages Tree Finder: A Manual for the Identification of Trees by their Leaves by May Theilguard Watts. 1991 Nature Study Guild. Small booklet, 4” h x 6” w. Total 62 pages.