Double or Nothing — Annabeth Saryu

What happened in Vegas didn't stay in Vegas. She should've known better. Rather than satiate their urgent desires, Darla and Anton's affair only fanned the flames of their unfulfilled needs. When he pursues her with the shrewd ruthlessness of a patient wolf, their relationship resumes course with predictable fervor. But things are different now. Very different. Pax's gambling debts remain unsettled, leaving him desperate and distrustful of his sister, while Henri's return from France forces Darla to confront her displeasure with their fragile arrangement.  Faced with increased suspicion, mounting financial pressure and family obligations, will Darla sacrifice happiness for stability? Or will it cost more than she ever imagined? About the Casino Players Saga: A former maid gets an offer she can't refuse from a wealthy casino owner when she agrees to pay her brother's gambling debt. The installments are not standalones and should be read in the following order. Book One: All In Book Two: Double or Nothing Book Three: Ante Up The entire trilogy is also available as a boxset.