Sarah Castille Books in Order

Makayla never expected an underground fight club job to put her face to face with Torment, a magnetic MMA fighter and owner. Their instant pull is fierce, but his world is far more dangerous than it first looks.

Private investigator Lana Parker goes undercover around a biker gang and runs straight into James Hunter, the man who once broke her heart. His case, her stubbornness, and their rekindled chemistry send them both into serious danger.

Katy Sinclair's secret night at a sex club becomes a career nightmare when the man she met there turns out to be opposing counsel. As threats close in, attraction and danger become impossible to separate.

Arianne Hunter escapes her brutal biker upbringing only to wake in the clubhouse of the rival Sinner's Tribe. Club president Jagger Knight is supposed to be the enemy, which makes their attraction explosive.

Two years after Amanda walked away, fighter Jake crashes back into her life needing legal help and stirring old heat. Their reunion is messy, intense, and complicated by the feelings neither of them buried very well.

Amateur fighter Marcy Foster wants a title, not emotional entanglement, but coach Jax knows exactly how to challenge her defenses. Their intense connection blurs the line between training, trust, and desire.

Dawn escaped one kind of cage, only to find her past still pulling her back toward biker violence. When Ryder offers protection, their chemistry deepens into something that could finally set her free.

Sia O'Donnell is obsessed with Ray 'The Predator,' the fearsome underground MMA champion she cannot stop watching. Ray wants her just as fiercely, but his brutal past makes their attraction as dangerous as it is irresistible.

Zane 'Tracker' Colter never forgot Evie, the girl he loved before everything went wrong. Now she is back in his orbit and tied to his deadliest rival, making their second chance dangerously complicated.

Rookie cop Sophie Nichols plans for one reckless night with biker Ace Logan, then a kidnapped brother turns everything serious. To save her family, she may have to trust the outlaw she should be arresting.

Holt 'T-Rex' Savage wants revenge after torture and betrayal nearly destroyed him. Falling for Naiya Kelly, a woman raised by his enemies, may be the one thing powerful enough to derail his plans.

Mafia boss Nico Toscani wants Mia Cordano from the moment they meet, even though she belongs to a rival crime family. As passion flares between them, loyalty and revenge threaten to start a war.

Rampage looks like the easiest guy in the gym to love, but his private life is far darker than anyone knows. Penny sees past the grin, and what grows between them is equal parts tenderness, pain, and raw desire.

Las Vegas crime boss Luca Rizzoli is drawn to Gabrielle Fawkes, a detective bent on revenge against the underworld. Their one-night connection turns dangerous when their separate missions collide.

Fifteen years into their marriage, Lily and Chris are drifting apart, weighed down by insecurity and secrets. One daring gift forces them to confront the desires they have never said out loud and decide whether their love can survive the truth.

Years after losing their baby, Jessie and Sam are still trapped on opposite sides of grief. When Jessie looks for comfort elsewhere, Sam must finally fight for the marriage both of them thought was slipping away.

A birthday surprise pushes a long-married couple toward a fantasy they have only whispered about. What begins as a thrilling invitation soon tests trust, jealousy, and how far they are willing to go together.

Rocco De Lucchi is a mob enforcer who has no room for weakness until Grace Mantini crashes back into his life. Old heartbreak, family danger, and unfinished desire force them into the same fight for survival.

Fight promoter Zack Grayson finds his next big prospect in Shayla Tyler, the woman he left behind years ago. Their reunion is hot, painful, and risky, especially with Shayla guarding both her career and her battered heart.

Skye Jordan returns to Havencrest U broke, bruised, and desperate for a fresh start. At the campus radio station she meets DJ Dante Romano, and their bond deepens just as the secrets they carry threaten to pull them apart.

Haley Chapman wants music, freedom, and a life that feels like her own, not the one her political family scripted. After a kidnapping attempt, being protected by Ace Murphy, her brother's best friend, only makes everything more complicated.