Books like Rule Breaker (A Novel of the Breeds) by Lora Leigh

After freeing England, hero Rhys Trahaearn builds a merchant empire, only to draw in Detective Inspector Mina Wentworth when a dead body falls from an airship. Together they uncover a conspiracy that threatens the nation and must navigate zombie‑infested wastelands and perilous seas.

Rule Breaker follows an elite enforcer from a lion-like breed who keeps strict boundaries—he never sleeps with a human, especially a woman too good to be caged. His world blends romance, genetics, and paranormal intrigue.

The second book in Lora Leigh’s Breeds series explores the passionate lives of humans genetically engineered with feline DNA, blending romance and paranormal intrigue in a world where desire shapes destiny.

A fierce President’s daughter and a relentless loner collide in a race against time as a controversial law threatens their world, spawning a passionate bond that defies danger and destiny.

In a world of genetically engineered Breeds, Tanner pursues revenge after his Feline base is attacked, kidnapping Scheme Tallant—a daughter of a high-ranking Genetics Council member—only to shift his focus to protecting her from her father's fatal vendetta.

In a world where genetically altered Breeds mingle with humans, an empathetic sheriff's deputy and a proud Feline Breed hunt deadly killers while grappling with a growing, insatiable attraction to one another.

Navy SEAL Nathan Malone’s daring rescue mission turns deadly, leaving his wife Bella to mourn a presumed death while he lives under a new identity. Can he return to her and keep his true self a secret amid looming danger?

A werewolf man cursed by a sorcerer must choose between saving his kingdom or his woman.

Rowdy Mackay, a U.S. Marine who left home eight years ago, returns to Kentucky to protect and entice his childhood friend Kelly Benton, whose life is now threatened by a stalker.

"Faelan is from an ancient clan of Scottish Highland warriors, charged with shielding humanity from demonic forces. Betrayed and locked in a time vault, he has been sleeping for nearly two centuries when spunky historian Bree Kirkland inadvertently wakes him. She's more fearsome than the demon trying to kill him, and if he's not careful, she'll uncover the secrets his clan has bled and died to protect ... When Bree inherits an old treasure map, she discovers a warrior buried in her backyard. But the warrior isn't dead. Bree shocks Faelan with her modern dress and her boldness, and he infuriates Bree every time he tries to protect her. With demons suddenly on the move, Bree discovers that Faelan's duty as protector is in his blood, and that her part in this fight was destined before she was born. But nothing is ever what it seems ..."--P. [4] of cover.

A rogue Bengal Breed named Graeme, engineered by the Genetics Council, seeks vengeance against those who wronged him, leading to a dangerous romance with a seductive woman who becomes the target of his wrath.

A demigod with a vendetta against two sisters who betrayed him and his vampire friends.

When practicing witch Lena Dunkirk becomes pregnant, she and wealthy playboy Ryan McNally must protect their unborn child from a vengeful demon and a mystical guide, while navigating ancient dreams and other‑worldly love.

When Regina Talbot-Jones attends a seance in her ancestral Highland home, she encounters a handsome, centuries‑old dragon named Colin MacAlasdair. Together they confront a vengeful spirit, discovering a romance that defies mystical convention.

Cassie Sinclair, a unique blend of wolf, coyote, and human, must choose between destiny and danger as she navigates love, betrayal, and a looming war between Breeds and humans.

A genetically engineered rogue Bengal breed named Gideon, who now goes by Graeme, stalks his past and hunts revenge while hiding in plain sight, shifting identities and confronting those who created him.