Caprock

C A P R O C K , a geological term for a harder or more resistant rock type overlying a weaker or less resistant rock type. The geological formation known as the Caprock in Texas separates east Texas from the west. CAPROCK, the book, is a story that spans decades and traverses the grassy Texas plains across the caprock into the hill country. The story unfolds as three friends begin life as companions and cohorts, only to discover that rivalry and jealousy put a wedge in their unwavering bond.