Valley of the Vanishing Men

';Your brother left the hotel two weeks ago. We have heard no word from him ';Travel in Alkali Valley, as you know, is dangerous. We think you should be informed of his continued absence.' That was the letter that brought Ben Trainor to a godforsaken spot in the desert. And a warning from the sheriff to leave while he still had the chance only deepened the mystery. But with the help of his good friend Jim SilverSilvertipTrainor was determined to find his brother, even if they had to shoot their way past all the bushwackers in the valley!