Tess Gerritsen is an excellent writer and this book does not disappoint. The plot revolves around an archeologist and there is a fair amount of information dispersed throughout the book on various aspects of archeology. The story moves at a good pace and the mystery keeps you guessing until the end. Gerritsen is a master with characters, giving them those all too human traits that make them feel like real people. The plot is intricate without being overly complicated.