Domination. Submission. That sacred space was supposed to be ours, and ours alone. The one place where I didn’t have to worry if we were solid. I was wrong. I was wrong about so many things... The Billionaire’s Mistake is the fourth installment in the Loving The Billionaire series. Loving The Billionaire Series The Billionaire's Kiss, #1 The Billionaire's Caress, #2 The Billionaire's Risk, #3 The Billionaire's Mistake, #4 The Billionaire's Secret, #5 The Billionaire's Vow, #6