Ralph E Vaughan: 7 books

From their fortified lair in the Haunted House, the Feral Gang terrorize and brutalize the pets and strays of a Chula Vista neighborhood. With all hope gone, their victims turn to the Three Dog Detective Agency, the only force standing between the Feral Gang and victory. They dare not fail.

To a steampunk London that might have been comes Lord Cerberus, a dog like no other. The Dogs of STEAM pursue him across unknown dimensions to present-day Chula Vista, coming to the attention of the Three Dog Detective Agency. At peril - multiple Earths, diverging timelines, and existance itself.

Beyond Mercury, an unsuspected planet hides a devastating weapon built by MEDUSA, most powerful criminal organization of the Victorian Age. Unless British agents can stop a madman, the Nineteenth Century will end in fire and blood, the Solar System gripped by the iron fist of tyranny.

When Sunny the Golden Retriever comes between a Hawk and its victim the Three Dog Detective Agency is catapulted into a battle with a rapacious gang known as the Birds of Prey. Should they fail, no one will be safe from these outlaw winged predators.

An ancient evil invades Chula Vista. Two K-9 officers, framed when they get close to the truth, must turn to their sometimes rivals, the Three Dog Detective Agency, for help. What's at stake, however, is not the fate of two K-9s, but the fate of a city.

An Army dog is tormented by wartime nightmares of fire and death, but the real danger is existential, a pack of dogs from Afghanistan out for his blood. When the Three Dog Detective Agency comes to his aid, they, too, are targeted for destruction.

1882: From dark dimensions, long imprisoned gods invade the dreams of worshipers on Mars, Earth and Venus. Shadows rise. An ancient evil batters the gates of reality. A handful of adventurers stand against encroaching chaos. If they fall, so will the British Empire. And the Solar System won't be far behind.