An all-new steamy and angsty billionaire fake dating romance from the USA Today & Wall Street Journal bestselling author, Tracy LorraineHe's my billionaire boss. My best friend's brother-in-law. And my new fake boyfriend.From the wrong side of the tracks to the heart of a billionaire…Leaving my hometown, I chased a single dream: work for Callahan Enterprises and build a better life for my brothers and me.The allure of city life, with all its glitz and glamour, promised a fresh start. I was determined to leave my past in the rearview mirror.But I didn’t bank on my demanding new boss.Kian Callahan is everything I can’t stand: entitled, arrogant, overbearing — not to mention a charismatic playboy.And the worst part? He’s also my best friend’s brother-in-law. I hate knowing that I only got the job because of her.I pride myself on carving my own path, and the last thing I need is a power-hungry a-hole getting in my way.Too bad my body didn’t get the memo, because the chemistry is undeniable. And my attraction to the ruthless CFO… well, it’s downright infuriating.As much as I hate to admit it, he might just be everything I never knew I needed.Even if I don’t want to.By His Rule is the blazing second book in the Callahan Billionaires romance series. For fans of high-steam, high-stakes office romance, Tracy Lorraine delivers a story you won’t put down.Perfect for readers who love: Office Romance Billionaire MMC Fake Dating / Fake Relationship Enemies to Lovers Forced Proximity Strong, Feisty FMC Grumpy Boss He Falls First (and Hard) Opposites AttractBegin your next adventure with By His Rule now.