Feeding Time: A Fly Fisher's Guide to What, Where, and When Trout Eat by Jason Randall
What Trout Eat teaches readers secrets for catching larger trout through understanding the fish and their ecosystem. Trout eat a large variety of food items and diets, and feeding behaviors change over time. You can learn to adapt your fishing strategies to trout's routines. The more you understand about the fish and their ecosystem, the better skilled you will be at determining what fish are eating.