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Bound by His Rules by Xander Steele Billionaire Romance book cover
New Release

The Forbidden Billionaires • Book 1

Bound by His Rules

by Xander Steele

He had the power to control everything... except her.

Billionaire RomanceForbidden LoveBrother's Best FriendSlow BurnEmotional & Heartfelt
Genre

Billionaire Romance

Format

eBook

Published

2026

Word Count

91,000

About This Book

Maya Vance has one rule for herself: never again hand a powerful man the keys to her life. Fresh from a broken engagement and finally rebuilding her independence, the last thing she needs is Julian Thorne — the ruthless billionaire who happens to be her best friend Chloe's older brother, and the one man forbidden to her in every way that matters. But when a chance reunion at a glittering Manhattan charity gala reignites a pull neither of them can ignore, the rules start to blur. Julian Thorne built an empire by controlling everything and everyone around him. He is precise, commanding, and used to getting exactly what he wants. What he wants now is Maya — and he is not a man who accepts the word 'no.' As their forbidden attraction deepens into something dangerous and consuming, Maya discovers that surrendering to Julian means fighting to keep the one thing she swore never to give away again: herself. When his need for control finally collides with her need to be free, Maya walks away — and Julian, a billionaire who has never lost anything, is left unmoored. To win her back he will have to do the one thing his power has never required of him: change. A 91,000-word forbidden billionaire romance — slow-burn, emotionally charged, and steamy — about control, autonomy, and the kind of love that demands you become better than you were. Book 1 of The Forbidden Billionaires. Guaranteed happily ever after.

Editorial Review

Xander Steele opens The Forbidden Billionaires with his most intense and psychologically rich romance to date. Bound by His Rules is a forbidden billionaire love story with real teeth — Julian Thorne is a hero defined by control, and Maya Vance is the rare heroine strong enough to refuse to be controlled. Their chemistry is immediate and electric, but what elevates this book is its emotional honesty: the narrative digs deep into internal monologue, mapping the private battles both characters wage between who they are expected to be and who they truly are. The slow burn is exquisitely paced across thirty chapters, the Manhattan setting drips with glamour and tension, and the second-half arc — in which a powerful man is finally forced to change rather than command — gives the happily ever after genuine weight. An assured, immersive series opener that earns its heat and its heart.

Perfect for: Fans of forbidden billionaire romance, brother's-best-friend tension, and slow-burn love stories about strong women who refuse to be tamed.

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Editorial Reader Score

9.5/ 10
Story & Suspense
9.3
Character Development
9.6
Emotional Impact
9.7
Pacing
9.4
Ending Satisfaction
9.5
Writing Style
9.5

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