Michael Crichton writing as John Lange(TM) 
Zero Cool [EPUB ebook] 

From the creator of Jurassic Park and ER For American radiologist Peter Ross, it sounded like the perfect vacation: deliver one study in Spain and then spend the rest of his time on a Mediterranean beach. But he wasn’t planning on meeting Angela Locke, a dark-haired beauty with a big problem-she’s on the run from two warring gangs, each dead set on finding a mysterious artifact, and they’ll kill anyone who stands in their way. It’s a desperate fight for survival across the European continent as Peter and Angela race to uncover a centuries-old secret before they become its next victim. With a new introduction by Sherri Crichton