Bound to Him: The Billionaire's Beck and Call Book 2 by Delilah Fawkes

A BDSM erotica. Isabeaus sister Lucy comes for a visit because their brother Alex's life is in danger. Lucy wants to help him by herself that's why she accepts Maxwell's Pierce offer, to be his personal assistant. Exhilarating drag races, scandalous submissive training, and an attraction so fierce it burns like fire, face little Lucy Willcox in this suspense-filled romance. You won't want to miss the thrilling sequel to The Billionaire's Beck and Call, from best-selling author, Delilah Fawkes!

http://www.amazon.com/Bound-Him-Billionaires-Beck-ebook/dp/B00DX394NU/ref=pd_sim_kstore_7