The Billionaire’s Game ~ Kade (The Billionaire’s Obsession, Book 4)

With his professional football career over due to a tragic accident, billionaire Kade Harrison takes on the task of solving a mystery for his brother-in-law and friend, Max Hamilton. Without his former career to fill every minute of the day, Kade’s looking for something to challenge him–now that he’s lost the career that had meant everything to him. But what starts out as a simple favor soon becomes a whole lot more than he bargained for…