My Fault. Trilogy in One Volume

The entire trilogy "Guilty" by the popular author Mercedes Ron under one cover. When Noah turned 17, her mother married a widowed billionaire. Now the girl has a stepbrother, Nicholas. He is handsome, intelligent, and dangerous. Nicholas leads a double life that he successfully hides from his father. Noah is drawn to him, and at the same time, she understands that trusting such a person is not worth it. Is their love really doomed? Or can they find a way out?