For more than forty years, Wayne H. McAlister has canoed the Guadalupe River, sometimes called the “top recreational river in Texas.” In Paddling the Guadal

A collection of Courtney's columns from the Texas Monthly, curing the curious, exorcizing bedevilment, and orienting the disoriented, advising "on such things a

This classroom resource provides clear, concise scientific information in an understandable and enjoyable way about water and aquatic life. Spanning the hydrolo