Recommendations based on "The Phantom of the State Opera (Penny Küfer Investigates)"

His secret could get him killed… Unless she can protect him. Search and rescue volunteer Zach Gregory thought his sister had been killed years ago after testifying against notorious killers. But when she’s found murdered, FBI agent Shelby Dryden reveals Camille was actually in the WITSEC program. Shelby is convinced Zach is hiding something that’s made him a target. As threats against him escalate, Shelby must control her smoldering attraction to Zach while protecting his life. From Harlequin Intrigue: Seek thrills. Solve crimes. Justice served. Discover more action-packed stories in the Eagle Mountain: Criminal History series. All books are stand-alone with uplifting endings but were published in the following order: Book 1: Mile High Mystery Book 2: Colorado Kidnapping

As team leader of the popular personal security company Troubleshooters Inc., Alyssa Locke is no stranger to dealing with danger. Her next assignment, though, is supposed to be a breeze: teach self-defense techniques to an assemblywoman and her chief of staff after a political controversy generates a blizzard of hate mail—including death threats. But then, while in New York City, Alyssa and her squad of moonlighting Navy SEALs discover a dead body. And then another one. While investigating a suspect, Alyssa is ambushed and finds herself imprisoned by the deranged serial killer she’s been after for years: The Dentist. Cut off from everyone, Alyssa must call upon all of her strength and skill to survive this confrontation with the sadistic monster, meanwhile trusting that her Troubleshooter teammates—led by her husband, operative Sam Starrett—will reach her before it’s too late.

An Unexpected Attraction Kelly Cavanaugh knows all about her new partner: Detective Kane Durant, who's been through six partners before her. But, refusing to be intimidated, she puts all her energy into tracing the thief they're tasked with catching... and ignoring the fierce chemistry sizzling between her and her brooding colleague. Kane's never let his heart get in the way of work, but Kelly's skill during a confrontation with the assailant only makes him want her more. And, as danger closes in, Kane realises that if he wants Kelly as his partner for life, he's got to bring down their opponent... at any cost.

A desperate mother. A runaway daughter. And a very reluctant hero… Henry Thompson is a former marine—not a babysitter. But when Jessie Peterson begs for his help locating her rebellious preteen, his military-rescue instincts kick into overdrive. The desperate single mom has stumbled onto family treasure, buried secrets, deadly doppelgängers…and imminent danger. With gunfire dogging their every move, Henry will do anything to keep them safe. But will he lose his guarded heart in the bargain? From Harlequin Intrigue: Seek thrills. Solve crimes. Justice served. Discover more action-packed stories in the Covert Cowboy Soldiers series. All books are stand-alone with uplifting endings but were published in the following order: Book 1: The Lost Hart Triplet Book 2: Small Town Vanishing Book 3: One Night Standoff Book 4: Shot in the Dark Book 5: Casing the Copycat Book 6: Clandestine Baby

A new thriller about one man's ice-cold malice, and one woman's fight to reclaim her life.Former Army brat Morgan Albright has finally planted roots in a friendly neighborhood near Baltimore. Her friend and roommate Nina helps her make the mortgage payments, as does Morgan's job as a bartender. But after she and Nina host their first dinner party—attended by Luke, the flirtatious IT guy who'd been chatting her up at the bar—her carefully built world is shattered. The back door glass is broken, cash and jewelry are missing, her car is gone, and Nina lies dead on the floor.Soon, a horrific truth emerges: It was Morgan who let the monster in. "Luke” is actually a cold-hearted con artist named Gavin who targets a particular type of woman, steals her assets and identity, and then commits his ultimate goal: murder.What the FBI tells Morgan is beyond chilling. Nina wasn't his type. Morgan is. Nina was simply in the wrong place at the wrong time. And Morgan's nightmare is just beginning. Soon she has no choice but to flee to her mother's home in Vermont. While she struggles to build something new, she meets another man, Miles Jameson. He isn't flashy or flirtatious, and his family business has deep roots in town. But Gavin is still out there hunting new victims, and he hasn't forgotten the one who got away.

CALCULATED REVENGE When a former classmate is murdered at Detective Caleb Lyons's ten-year high school reunion, he knows the victim's old group of friends are keeping secrets. That includes Cedar Key, Florida, police officer Amber Kingston. Back in school, Amber was headed for trouble, but now she's as dedicated to the law as he is. As he works overtime to get the pretty cop to open up to him, Amber and her friends receive messages threatening payback for past deeds. And her friends keep dying...one by one. But protecting Amber and unmasking a murderer isn't just the widowed detective's shot at redemption--it's his unexpected second chance at love.

Her daughter deserves justice but someone wants to stop her… Seven years after the murder of Andi Wallace’s daughter, new evidence reopens the case. And this time RCMP officer Ryan Davenport is determined to catch the killer. Ryan hasn’t forgiven himself for the crime going unsolved, and Andi needs closure. But getting too close to Andi could jeopardize his involvement in the case…and land them both in danger!

A secret past. An unsolved murder. One killer assignment… RCMP officer Caleb Drekker has a simple assignment—watch over veterinarian Alana Travers, using retired K-9 Rex as his cover. When Alana learns she’s been in witness protection since childhood and she’s now a killer’s target, she leans on Caleb for help. But the closer he gets to Alana, the more complicated Caleb's assignment becomes. Will the truth set them free…or seal both their fates? 

From New York Times bestselling author of the acclaimed McCabe and Savage series comes an electrifying new thriller of taut and twisted suspense. On a freezing December night, Hannah Reindel leaps to her death from an old railway bridge into the rushing waters of the river below. Yet the real cause of death was trauma suffered twelve years earlier when Hannah was plucked from a crowd of freshman girls at a college fraternity party, drugged, and then viciously assaulted by six members of the college football team. Those responsible have never faced or feared justice. Until now. A month after Hannah’s death, Joshua Thorne—former Holden College quarterback and now a Wall Street millionaire—is found murdered, his body bound to a bed and brutally mutilated. When a second attacker dies in mysterious circumstances, detectives Mike McCabe and Maggie Savage know they must find the killer before more of Hannah’s attackers are executed. But they soon realize, these murders may not be simple acts of revenge, but something far more sinister. The Girl on the Bridge is a compelling and harrowing tale of suspense that once read will not easily be forgotten.           

Formerly the star investigator in the Anchorage D.A's office, Kate Shugak now tracks down criminals from her Aleut homestead. But she and her wolf-dog Mutt are taking a June break to pick wild morel mushrooms among the charred trees left by a devastating forest fire. In the ashes Kate also uncovers the mysterious corpse of a naked man. And when she is "hired" by a ten-year-old to locate his missing dad, she fears she has already found him. The reason how and why he died, however, is buried deeper than his body. Finding it will lead Kate to the remains of a woolly mammoth in a Fairbanks museum, back to her old lover Jack Morgan, and far afield to an isolated settlement of religious fundamentalists ... as she follows a twisted road toward a smoldering evil and the flash point for a macabre murder. The fifth Kate Shugak mystery, Play With Fire contains all of Stabenow's hallmarks of ingenious plotting and vivid characterizations. Best of all, it is again set in magnificently austere, endlessly fascinating Alaska, which comes to life through the authentic details only a true insider can provide.