Charlotte Rogan's debut novel, The Lifeboat, is a complex tale of morality and survival. God may indeed help those who help themselves, but some of us are tempted to take more than our share. What would you do to stay alive on the open sea while waiting for rescue? Grace Winter was 22 years old and had been married to her Henry less than four weeks when the Empress Alexandra sunk in the north Atlantic -- the result of an explosion. Although two years after the Titanic, the ocean liner was not adequately prepared for disaster, and lifeboats were released...