Dwight Landis

title	ISBN-13 (ISBN-10)	year of publication
Trout streams of Pennsylvania: An angler's guide	978-1-879475-00-7 (1-879475-00-6)	1991
Trout Streams of Pennsylvania: An Angler's Guide, Third Edition	978-1-879475-02-1 (1-879475-02-2)	2000