A mysterious visitor at the door… Can danger be far behind? Quarter Horse breeder Fox Colton is a loner by nature. So when an anonymous infant appears on his doorstep, he reluctantly takes in the baby—and new assistant Kelsey Lauder. As he grows to cherish his unexpected family, Fox works to track down Baby John Doe’s real parents. But when secrets from Fox’s own past are unearthed, he could find himself alone again, just as he’s come to love the new people in his life.

Looking for heart-racing romance and breathless suspense? Want stories filled with life-and-death situations that cause sparks to fly between adventurous, strong women and brave, powerful men? Harlequin® Romantic Suspense brings you all that and more with four new full-length titles in one collection! COLTON FAMILY SHOWDOWN The Coltons of Roaring Springs by Regan Black When Fox Colton finds a baby on his doorstep, he has no idea what to do. Luckily, his new assistant, Kelsey Lauder, was a nanny in college and is willing to share her skills. But when danger descends, will these two be able to set aside their baggage to protect the baby—and maybe find love along the way? COLTON 911: DEADLY TEXAS REUNION Colton 911 by Beth Cornelison While placed on leave, FBI agent Nolan Colton returns home to Whisperwood, Texas, and finds himself drawn into childhood friend—now a private investigator—Summer Davies’s latest murder investigation. As they move in on their suspect, they grow close and risk their lives for love. UNDER THE AGENT’S PROTECTION Wyoming Nights by Jennifer D. Bokal Wyatt Thornton spent years searching for a killer—before dropping into hiding himself. Everly Baker’s brother is the latest victim and she’ll stop at nothing to get help from reclusive Wyatt. Together, can they trace the murderer—before evil gets to them first? REUNITED BY THE BADGE To Serve and Seduce by Deborah Fletcher Mello Attorney Simone Black has loved only one man, Dr. Paul Reilly. Parting ways broke both their hearts. Now Paul desperately needs Simone’s help when he discovers something fatally wrong in the medications provided by a major pharmaceutical company. Can these two find their way back to each other while bringing down a powerful enemy?

USA TODAY Bestselling Author "You're safe from those monsters now." It's supposed to be the final confrontation. Philly detective Tate Colton will go under cover to bust the sex trafficking ring targeting young Amish women. He doesn't count on his sting operation falling apart—or being forced to escape with the breathtaking key witness he's sworn to protect. Hiding in New York City with a handsome detective? Amish seamstress Hannah Troyer's more than a little out of her element. The big city—and men like Tate—are part of a world that's nothing like what she's used to. As danger inches closer, he's her only route to safety…and a forbidden attraction she dares to indulge in. From Harlequin Romantic Suspense: Danger. Passion. Drama.

Hunting a lethal criminal Brings danger…and passion When Lieutenant Tripp McKellar rescues crime scene investigator Sadie Colton from a kidnapper, she is eternally grateful. Though she’s always been drawn to him, Sadie wants to keep their relationship strictly professional. As she works with Tripp to bring down the criminal who targeted her, she discovers that her attraction is mutual. But can true love bloom in the shadow of a deadly threat? From Harlequin Romantic Suspense: Danger. Passion. Drama. Colton 911: Grand Rapids Book 1: Colton 911: Family Defender by Tara Taylor Quinn Book 2: Colton 911: Suspect Under Siege by Jane Godman Book 3: Colton 911: Detective on Call by Regan Black Book 4: Colton 911: Agent By Her Side by Deborah Fletcher Mello Book 5: Colton 911: In Hot Pursuit by Geri Krotow Book 6: Colton 911: Ultimate Showdown by Addison Fox

When a serial killer strikes too close to home… …can forbidden love blossom? Although the Avalanche Killer has been caught, Remy Colton fears the criminal’s shadow still looms over Roaring Springs. And falling for his brother’s ex, Vanessa Fisher, definitely doesn’t help matters. But when someone begins to target Vanessa, Remy vows to protect her at all costs! Even if that means nailing down a ruthless threat—once and for all.

Hiding in New York City with a handsome detective?,p> Hannah's out of her element. The big city – and men like Tate Colton – are part of a world she's not used to. But as danger inches closer, he's her only route to safety...and a forbidden attraction she dares to indulge in.

USA TODAY Bestselling Author The clock is running out to keep her safe Can he intervene in time? By-the-book police chief Melissa Colton prides herself on putting justice before all else. That means work first—and no passionate affairs. But she finds herself severely tempted when teaming up with hotelier Antonio Ruiz to figure out who’s tracking her. As the case yields more questions than answers, Melissa and Antonio must resist their growing attraction…and capture the criminal targeting them! From Harlequin Romantic Suspense: Danger. Passion. Drama. The Coltons of Grave Gulch Book 1: Colton’s Dangerous Liaison by Regan Black Book 2: Colton’s Killer Pursuit by Tara Taylor Quinn

On the run from a sociopath… And no one to trust Mia Graves is in danger—and so is her baby. Jarvis Colton is exploring a family mystery when their paths cross on the outskirts of Rattlesnake Ridge Ranch. After the trauma of losing his parents, this businessman turned cowboy has no intention of making himself vulnerable ever again. Just this once, he can help a family, but can he protect Mia without falling in love?

Two bitter rivals unite to track a deadly killer Detective Emmanuel Iglesias does his duty at all costs, even if that means going up against Pippa Colton. The stubborn attorney insists her client is innocent, but Emmanuel knows that his case is rock-solid. That is, until Pippa becomes a target herself. Is the real killer still at large? As their mutual distrust turns into an undeniable attraction, the murderer becomes bolder—and more menacing… USA TODAY BESTSELLING AUTHOR

As she digs into her history Her own future hangs in the balance Deputy Daria Bloom is conducting a covert investigation into her past. At the same time, she and FBI agent Stefan Roberts are closing in on the deadly Avalanche Killer. When sparks fly between Daria and Stefan, their mutual attraction soon complicates their manhunt. With two cases to crack, Daria must find her own killer truths within.