You rarely go wrong with the Peterson Field Guides. Amphibians seem especially threatened by climate change. We need to know and protect them. Another good book, by Donald W. Linzey and Michael J. Clifford, is Snakes of Virginia.
Libraries store the energy that fuels the imagination. They open up windows to the world and inspire us to explore and achieve, and contribute to improving our quality of life. Libraries change lives for the better.