Hitler dominates this story just as he historically dominated World War II. This is the 7th book about the Robot, Thinker. Robots are still illegal on Earth. Thinker's mind merge with the Universe's most advanced computer, his invention, has given him an incredible amount of abilities and information. Quality continues to be at his side. As usual, the story has a basis in real science and real history. The plot is more intricate than the six earlier books and will keep the reader guessing. Time Travelers continually threaten historical integrity. Alteration of the past alters the present and future. Hitler becomes central to threats to the Universe. Thinker is put in an awkward position of keeping Hitler alive. Recent developments cast serious doubts about Hitler's suicide. This story presents a different fate for Hitler. The end of the story may only be guessed by the most astute.