Treasure in Texas - X-Country Adventures Author:Bob Schaller Ashley and Adam Arlington travel from state to state, encountering mystery and intrigue wherever they go. Readers ages 9-12 learn about the geography and history of the United States as they join this brother-sister team in their many adventures. Each book includes fun fact files, a map following the Arlingtons' route, and a list of recommended ... more »books and web sites. The Arlington siblings visit Texas and uncover a pair of six-shooters buried at the Alamo for use in defending it after the overrun. Adam and Ashley do some investigating and learn about the man who buried the guns, bringing to life this authentic hero-based on a real person-who gave his life at the Alamo.« less