A BIRDER'S GUIDE TO THE RIO GRANDE VALLEY OF TEXAS.
Denver, CO: L&P Press, 1983. Reprint. Paperback. Originally published in 1971. 5 1/2 x 8 1/2, 111 pgs, b&w photos and charts. All sorts of birding information and a must for birders in this area of Texas. Good. Item #910