There's River Cartwright. He's an agent in Slough House who has his own ambitions and is constantly trying to prove himself despite being in this 'backwater' of the intelligence world. Another important character is Diana Taverner. She is part of the upper echelons of the intelligence agency and often has her own political and power - related motives that interact with the events at Slough House in interesting ways.
The Slough House novels are known for their complex characters. The agents in Slough House, the 'slow horses', are often misfits in the intelligence world. Each has their own flaws and backstories that make them interesting.
One of the main themes is the idea of redemption. The characters in slough house are often considered 'failures' in some way, and their journey towards proving themselves or finding a new purpose is a big part of the story. Another theme is the murky world of espionage and the politics within intelligence agencies. It shows how power struggles, secrets, and betrayals can play out in such a high - stakes environment.
The 'Slow Horses' series by Mick Herron is often considered great Slough House novels. 'Slow Horses' in particular stands out. It has a great cast of characters who are misfits in the intelligence world. The plot is full of twists and turns, and Herron's writing style is engaging and full of dark humor.
Jackson Lamb is a very interesting character. He's this gruff, overweight, and seemingly unkempt boss at slough house. But he has a sharp mind and a deep understanding of the intelligence game. His unorthodox methods and his ability to see the potential in his 'reject' agents make him stand out.
The 'Slough House' novels are a series that typically involve espionage and the exploits of a group of misfit spies. They are set in a world of intelligence operations, full of intrigue, double - dealing, and the struggle to survive in a cut - throat environment.
I don't know the exact release date of the next Slough House novel. You can keep an eye on the official website of the author or the publisher for the most accurate information.