The Final Hour — Taylor Caldwell

The Bouchards, by a stroke of the pen or a word in the right ear, could change the destiny of nations -- and they did. But all was not well within the family fortress...

There was Henri. He was consumed by his lust for power -- and his illicit passion for another man's wife.

And Celeste. She had devoted her life to her husband, Peter. But Peter had failed her as a man. She detested Henri but she could not resist his strength.

And Peter. He was an invalid for his courage threatened to expose the treachery of the Bouchards...