content: We listened to the audio CD version of this book and it was a disappointment. The reader's voice was grating and often distracted from the story. But the story was overlong as well, and there were many times a point could have been made more succinctly. The author is a well known scientist, but this attempt to communicate with a broader audience generally failed becuase of its presentation and the flabbiness of the writing rather than because of its content.