Monster Security Agency

By Cara Wylde, Cassie Alexander, Layla Fae
10 Books
Kathy Lockheart’s Cross Duet is a gripping romantic suspense series fueled by danger and deception. In Crossfire, Grace falls for Grayson, unaware he’s an assassin sent to kill her, igniting a passionate yet deadly game of trust. Crossover follows Grayson’s desperate search for Grace after her abduction, unraveling a web of lies that reveals he killed her innocent father, threatening their love with a devastating truth.

Books in This Series

Guarded by the Kraken (Monster Security Agency)

By Cassie Alexander
Fantasy
A kraken, a scientist, and a love under pressure….As a kraken bodyguard, I rarely get human clients. When I do, the only way to protect them is to form a telepathic bond. I don’t like it, but after my wife’s death years ago I’ve learned to build an impenetrable shield around myself and my emotions, until I meet my ...
Book 1 • 2024 17.0K
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Guarded By the Leshy (Monster Security Agency)

By Cara Wylde
Fantasy
I am a force of nature, misshapen and untameable, until I meet her.My mission is to deliver the human bride to her husband-to-be. Shes to be married into one of the most powerful families in the state. Her husband is a spiritual leader, and he has one condition she must prove shes worthy. Through the deepest woods, sh...
Book 2 • 2024 5.0K
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Guarded by the Vodnik (Monster Security Agency)

By Layla Fae
Fantasy
She poured fire into my cold, emotionless heart. Now all I see and feel is her.I’m a cold-blooded killer from the deep, always getting MSA’s most hazardous underwater tasks. Fear and emotion are foreign to me, which makes me efficient but too callous to work with clients.Even though close protection is not my forte, ...
Book 3 • 2024 9.0K
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Guarded By the Nightmare (Monster Security Agency)

By Cassie Alexander
Fantasy
No one survives hiring me. Not even her.I’m a Nightmare, a creature that feeds on fear, and I’m capable of boundless cruelty—which is why my services come at a steep price: the life of the person who hired me. As such, the only people who hire me on are those brought to me by fate, like Mina, a woman so desperate fo...
Book 4 • 2024 25.0K
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Guarded by the Reaper (Monster Security Agency)

By Cara Wylde
Fantasy
There’s only death for her, and eternity for me.My client, Millie, made the wrong deal her soul for her sisters life. Now she must pay up, and shes ready, but she needs fourteen days to take care of one last thing. The creature whos waiting to dine on her soul won’t give her an extension, so Millie hires me to guard...
Book 5 • 2024 6.0K
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Guarded by the Phantom (Monster Security Agency)

By Layla Fae
Action&Adventure
She’s so pristine and innocent. I’ll drag her into obscenity.The senator’s daughter is being targeted by terrorists specializing in mind control. Considering the high-profile life she leads, filled with ballet performances, charity galas, and stifling political events, I am the worst possible fit for her. I don’t b...
Book 6 • 2024 10.0K
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Guarded by the Krampus (Monster Security Agency)

By Cassie Alexander
Fantasy
A blind sculptor. A satyr bodyguard. A dangerous plan to expose a criminal empire.Aceon doesn’t care for holidays—or humans. As a satyr bodyguard, his job is to keep his clients alive and his emotions out of the equation. But Satin, a blind sculptor with a biting wit and a deadly secret, isn’t like any client he’s ...
Book 7 • 2024 4.0K
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Guarded by the Yeti (Monster Security Agency)

By Cara Wylde
Fantasy
A mute girl and a furry beast once got snowed in at the North Pole.Ysella is a mafia princess. I saved her and her brother when a rival family tried to wipe them out, and now her brother wants me to take her far away, somewhere no one will find her. The farthest place I know is my cabin in Alaska. But is this a good id...
Book 8 • 2024 3.0K
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Guarded By the Steel Seraph (Monster Security Agency #14)

By Cara Wylde
Fantasy
I was forged five centuries ago to be a weapon of God.In 1502, I was built to fight the Vatican’s holy wars. My creator burned ten commandments into my core – sacred laws of purity and duty that no amount of time or tampering could ever erase.I was designed to be a sinless protector. Then I was dug up by a weapons ma...
Book 9 • 2026 711
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Guarded By the Clanker (Monster Security Agency #15)

By Layla Fae
Fantasy
She hates me because I’m a machine. I will gladly sacrifice myself to keep her safe.The AI-hating journalist trying to take down the largest AI corporation urgently needs a bodyguard, and it’s ironic that she can afford only me. In her words, I am a clanker.A thing worth her deepest scorn. An it. To be fair, that is ...
Book 10 • 2026 1.0K
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