Other Side of Midnight
In the other Side of Midnight we meet Noelle Page and Catherine Alexander. During WWII Noelle meets a pilot named Larry Douglas. They fall in love but once the war is over he abandons her. While back in the States Larry meets Catherine. He marries her but Noelle has not forgotten him.
Once Noelle has become a famous actress and marries a rich man she decides to hire Larry has her private pilot. It seems that Noelle has achieved her goal. She has Larry back in her life and the two plots to be together forever. While it seems these two are in control it is actually Noelle's husband Constantin Demiris who making all the moves.
This book is like most Sidney Sheldon Novels. It has suspense, sex and tough women. It was also made into a movie with John Beck and Susan Sarandon in 1971.