Christie's variety can often astound those who first come across her. Whether it be a tense, well plotted detective story, a sharp psychological thriller with twists at every turn, an adventure, a spy story, a tale of international intrigue, she never fails to disappoint. This time she turns her hand to an incredibly exciting adventure story, introducing two heroes who are even more enjoyable to read about than Poirot or Marple. Highly Recommend This Great Book!