Caddisflies
Canaries and Trout
Dragon and Damsels
Focus on Habitat: Wild Brook Trout
Frogs and Toads
Mayflies
Why Fish Need Trees
Pond and Stream Study Guide
Salamanders of PA
Six Ways to the Sea
Stoneflies
Stream Killer
The Effects of Mud and Flood on Fish
Turtles of PA
Wetlands: Why Do Fish Need Them