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! Under Colton's Watch (A The Coltons of New York novel) by Addison Fox US Marshal Aidan Colton is sworn to protect those in his custody. But he’s never had a more tempting—or challenging—assignment than pregnant marine biology professor Ciara Kelly, who's become the target of a killer. Can he keep his professional distance, or is it already too late? Playing with Danger (A The Sorority Detectives novel) by Deborah Fletcher Mello When New Orleans police detective King Randolph starts on the murder investigation of a young woman found in the Louisiana swamps, he discovers private investigator Lenore Martin is also on the case. Forced to team up, both find that working together has its own challenges because the attraction between them cannot be denied. Secrets of Lost Hope Canyon (A Lost Legacy novel) by Colleen Thompson With an abusive marriage and damaged reputation behind her, real estate agent Amanda Greenville does not want any entanglement with her roguish cowboy client. But handsome Ryan Hale-Walker may be her last chance to fight off a dangerous land grab—and heal her wounded heart as well. Driven to Kill by Danielle M. Haas When the driver of a car-sharing service attacks Lauren Mueller, she barely escapes with her life. Now she must trust the one man she never wanted to see again—Nolan Clayman, the detective responsible for the death of her brother—to keep her alive.