The latest novel in Mick Herron's Slow Horses series, titled 'Clown Town,' has been released, featuring Jackson Lamb and his team confronting MI5's hidden past and uncertain future.

The plot revolves around River Cartwright investigating his grandfather's secret library and uncovering dangerous spy secrets, amidst tensions related to MI5's historical operations and internal threats.

'Clown Town' is set to be available in bookstores and coincides with the upcoming fifth season of the TV adaptation on Apple TV+, starring Gary Oldman.

Mick Herron shared a heartfelt message with readers, expressing gratitude for their support and describing the long process involved in writing the novel.

Diana Taverner faces exposure over a past MI5 operation and schemes to manipulate Slough House agents to safeguard her interests.

The story explores themes of espionage, the dangers posed by old spies, and complex loyalties within MI5, with a tone that is gripping, humorous, and emotionally intense.