Cristin Harber

New York Times Bestselling Author of Romantic Suspense Books

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Titan Series

TITAN SERIES

The original Titan team. Elite operators, dangerous missions, protective heroes, found family, and hard-won happily ever afters.

Start with Winters Heat and follow the main Titan series through Jax. A Very Titan Christmas, Sweet Girl, and Deja Vu are connected stories listed separately below.

Winters Heat by Cristin Harber book cover
Titan Book 1

WINTERS HEAT

Colby & Mia
Military Romance • Navy SEAL • Single Dad • Enemies to Lovers • Road Trip

A woman on a mission. The man sent to stop her. They’ll have to work together to survive.

Military psychologist Mia Kensington puts her life on the line to protect classified intelligence and finds herself on a cross-country road trip with an elite Titan operative she doesn’t trust.

Colby Winters has one objective: recover a document vital to national security. But when the mission spirals out of control, he can’t leave Mia behind.

When Titan’s safe houses are compromised and Mia becomes the target of a ruthless enemy, Colby will cross the globe and fight through anything to bring her home.

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Garrison's Creed by Cristin Harber book cover
Titan Book 2

GARRISON’S CREED

Cash & Nicola
Second Chance • Spy Romance • Mafia • Sniper • First Love

He thought the woman he loved had been dead for ten years. Then she appears behind enemy lines.

Injured CIA agent Nicola is running from a failed undercover operation when she crashes into Cash Garrison—the first and only man she ever loved.

Cash buried Nicola a decade ago and built his life around military missions and Titan Group. Now she’s alive, armed, and carrying secrets she can’t explain.

Titan and the CIA must work together to uncover a mole while Cash and Nicola confront the betrayal, heartbreak, and love neither of them ever escaped.

Want their story before Titan? Sweet Girl follows Cash and Nicola during their college years, about a decade before Garrison’s Creed. It is optional and appears in the Bonus & Prequel Stories section below.

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Westin's Chase by Cristin Harber book cover
Titan Book 3

WESTIN’S CHASE

Jared & Sugar
Alpha Hero • ATF Agent • Army Ranger • Fling • Protective Hero

The man who controls everything has finally met his match.

Jared Westin built Titan Group to handle missions no one else could touch. Emotion and baggage have no place in his world.

Then former undercover ATF agent Lilly “Sugar” Chase crashes through every defense he has. Tough, unpredictable, and his equal in all the ways that matter, she’s the one woman Jared can’t control—or forget.

When Sugar becomes a pawn in a dangerous game between Titan and its enemies, Jared will risk everything to bring her home.

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Gambled by Cristin Harber book cover
Titan Book 4

GAMBLED

Brock & Sarah
Marriage in Trouble • Second Chance • Reigniting the Flame • Protective Hero

Their marriage is broken. Their past isn’t finished with them.

Brock Gamble’s fall from Titan left him branded a traitor, separated from his team, and watching his marriage collapse.

Sarah survived an abduction, but the aftermath followed her home. Walking away from Brock seemed easier than facing the fear and damage neither of them knew how to repair.

Before they can decide whether their marriage has a future, Brock is dragged back into the world of cartels, kidnapping, and guns—and Sarah is pulled with him.

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Chased by Cristin Harber book cover
Titan Book 5

CHASED

Asher & Jenny
Best Friend’s Brother • Forbidden Love • Politician • Performer • Stalker

She’s loved him for years. He’s never had time to admit he feels the same.

Jenny Chase has spent years flirting with her best friend’s older brother while pursuing her own acting dreams.

Asher McIntyre is a rising political star with no room in his carefully controlled life for a serious relationship—until a stalker with a political agenda targets Jenny.

Now Asher can’t pretend to be the disinterested family friend. Protecting Jenny means finally confronting the feelings he’s ignored for years.

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Savage Secrets by Cristin Harber book cover
Titan Book 6

SAVAGE SECRETS

Rocco & Caterina
Fake Marriage • Mistaken Identity • Revenge • Undercover Mission

When the past is impossible to ignore, love may be the only way to survive.

Caterina Cruz has devoted her life to destroying the terrorist responsible for murdering her family.

Rocco Savage is hiding a dangerous secret of his own while trying to protect his position as Titan’s second-in-command.

Their mission requires them to pose as newlyweds in an elaborate deception of lies, danger, heated glances, and increasingly real kisses.

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Hart Attack by Cristin Harber book cover
Titan Book 7

HART ATTACK

Roman & Beth
Friends to Lovers • Office Romance • Best Friend’s Older Brother • CIA

Two damaged operatives have every reason to stay alone.

Roman Hart is a soldier, protector, and Titan operative still haunted by the one person he couldn’t save.

Beth Tourne hides behind a glamorous CIA cover and an appetite for adrenaline, trying to outrun a tragedy of her own.

Their scars make them exceptional at what they do—and dangerously good at understanding each other. Survival will require trust on the job and behind closed doors.

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Black Dawn by Cristin Harber book cover
Titan Book 8

BLACK DAWN

Parker & Lexi
Hacker Hero • Protective Hero • Friend’s Girl • Cyber Threat

What happens when nothing is as it seems?

Lexi Dare created an intelligence program powerful enough to make her a target, while her personal life has become its own dangerous trap.

Parker Black is the brilliant mind behind Titan Group. Everything in his world is controlled—except what he feels for Lexi.

When she disappears, Parker realizes the truth far too late. Finding Lexi may be the only way to stop a threat capable of becoming a national disaster.

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Sweet One by Cristin Harber book cover
Titan Book 9

SWEET ONE

Cash & Nicola
Marriage • Pregnancy • Mafia • Beach Romance • Protective Hero

Cash is alive. But no one knows how badly he’s hurt.

An explosion leaves Cash unconscious before Nicola can tell him the secret she’s been carrying: they’re going to have a baby.

In her rush to save him, Nicola makes one mistake that threatens the identity she spent years protecting through witness protection and the CIA.

Now the shadows from her past are closing in, and survival means protecting her husband, her unborn child, and everything they fought to build.

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Live Wire by Cristin Harber book cover
Titan Book 10

LIVE WIRE

Jared & Sugar
Established Couple • Pregnancy • New Recruits • Road Trip • Russian Mob

Titan is expanding—and even a routine assessment can turn deadly.

Jared Westin is evaluating potential new Titan recruits when his very pregnant wife Sugar finds a way onto the surveillance team.

What begins as simple observation goes dangerously wrong when Sugar and Lexi stumble into trouble involving Russian mobsters.

Old ATF skills, undercover work, new recruits, and two favorite Titan couples collide in a fast-moving mission where nothing stays routine for long.

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Bishop's Queen by Cristin Harber book cover
Titan Book 11

BISHOP’S QUEEN

Bishop & Ella
Second Chance • Bodyguard • Stalker • Famous Heroine • Opposites Attract

“I can’t shake the feeling that somebody’s watching me.”

Ella Leighton’s decision to join a reality show made her an overnight celebrity—and put her directly in a stalker’s sights.

Titan sends Bishop O’Kane to protect her. He never expected his assignment to be the woman he once loved and walked away from years ago.

With the FBI running out of answers and the danger escalating, Bishop and Ella have to face the past they buried while Titan races to stop the person hunting her.

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Locke and Key by Cristin Harber book cover
Titan Book 12

LOCKE AND KEY

Locke & Cassidy
Enemies to Lovers • Mistaken Identity • Tortured Hero • Undercover

He blames her for destroying his military career. Now he has to keep her alive.

Locke Oliver has spent years blaming disgraced journalist Cassidy Noble for the deaths that changed his Army unit forever.

Cassidy is determined to rebuild her name and prove that a network of spies and human traffickers is real. Titan believes her. Locke doesn’t.

Until Cassidy goes undercover and Locke realizes everything he believed about their past may have been wrong—including how much he hates the woman he can’t stop protecting.

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Jax by Cristin Harber book cover
Titan Book 13

JAX

Jax & Seven
Opposites Attract • Single Mom • Motorcycle Club • Former Navy SEAL

A motorcycle-club princess meets Titan’s least diplomatic operator.

Seven is a single mom, coffee-shop owner, daughter of a notorious gangster, and the woman who may be able to broker peace between a motorcycle club and a South American cartel.

Jax Michaelson is a former Navy SEAL with a bad attitude, a great shot, and absolutely no talent for diplomacy.

When Titan is pulled into a world of cartels, motorcycles, and CIA interference, Seven and her family become bargaining chips—and Jax discovers there’s nothing he won’t do to get them back.

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HOLIDAY STORY

A standalone Christmas romance set in the Titan world.

A Very Titan Christmas by Cristin Harber book cover
Titan Holiday Romance

A VERY TITAN CHRISTMAS

Bryce & Rachel
Christmas Romance • Second Chance • Fake Dating • Forced Proximity • Bodyguard

Snowed in with the one woman he never stopped loving.

Bryce Richardson is supposed to be focused on security when a snowstorm traps him in a secluded Vermont cabin with Rachel Porter—the woman he never really got over.

Rachel needs a favor: pretend to be her boyfriend for the holidays while Titan protects her senator father’s secret summit. But beneath Silverberry Ridge’s postcard-perfect Christmas charm, political threats are closing in.

As fake dating becomes very real, Bryce and Rachel have to survive long enough to discover whether their second chance can become forever.

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BONUS & PREQUEL STORIES

These stories expand the Titan world but are not part of the main numbered reading order.

Sweet Girl by Cristin Harber book cover
Garrison’s Creed Prequel

SWEET GIRL

Cash & Nicola

Set about a decade before the Titan series, Sweet Girl follows Cash and Nicola during their college years and tells the story of their first love.

It is a prequel to Garrison’s Creed, but it is not required to follow the Titan series. Read it before or after Garrison’s Creed whenever you want more of Cash and Nicola.

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Deja Vu by Cristin Harber book cover
Titan World Novella

DEJA VU

Dr. James Tuska & Allie

A standalone romantic suspense novella filled with spies, amnesia, a fake engagement, and fast-paced danger.

When a mysterious woman arrives at Dr. James Tuska’s hospital with no memory and instructions from the CIA, he’s ordered to protect her—but not help her remember. Then she wakes up and insists he’s her fiancé.

Best read anytime after Hart Attack.

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LOOKING FOR MORE?

Explore Titan Protectors, Aces, Delta, and more romantic suspense from Cristin Harber.

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