Gather initial thoughts and broad opinions about the book.

1. The Secret Hours opens with two very different scenes of conflict: Max’s visceral, life-or-death escape in the countryside and the quiet, procedural neutralization of the Monochrome inquiry in London. How did this contrast shape your initial impression of the book? Did you find one storyline more compelling than the other at the start, and how did your feelings change as they began to converge?

2. This novel is a prequel to Mick Herron’s popular Slough House series. If you’ve read that series, how did learning the origin stories of key figures and institutions change your understanding of that world? If this was your first Herron novel, did it make you curious to explore the main series?

3. What was your reaction to the book’s blend of dark humor, sharp political satire, and intense spy thriller action? Where did you find this combination most effective, and were there any moments where it felt jarring to you?

Encourage readers to connect the book’s themes and characters with their personal experiences.

1. Griselda and Malcolm begin their work on the Monochrome inquiry feeling trapped and disillusioned by a system that seems designed to fail. Think about a time you’ve felt stuck in a frustrating bureaucracy or a pointless task in your own professional or personal life. How did your response compare to Griselda’s eventual decision to rebel against the system?

2. The novel illustrates how the past can erupt into the present. How does this idea of the past’s long reach resonate with you? Have you ever experienced a small decision or event from long ago that ended up having unexpected and significant consequences later in life?

3. Max has spent decades living a quiet, anonymous life, deliberately hiding the man he used to be. Many people present a different version of themselves publicly than they are privately. In what ways do you see this balancing act play out in your own life or the lives of those around you?

4. Molly spends 30 years waiting for a chance to bring Schenker to justice. Can you think of a long-term goal you’ve pursued out of a sense of principle, and what did it take to stay committed?

Examine the book’s relevance to societal issues, historical events, or cultural themes.

1. The Monochrome inquiry is a direct satire of the UK’s “Partygate” scandal, where politicians flouted rules they imposed on the public. How effective did you find this critique of political hypocrisy and cynicism? Does this fictional portrayal reflect or challenge your own views on the relationship between government leaders and the institutions they oversee?

2. What does the novel’s depiction of 1994 Berlin, a city described as a chaotic “Wild West” after the fall of the Wall, suggest about periods of major political transition? Where in the world today might we see similar environments where old rules have collapsed and new power structures are being violently forged?

3. The Green Shoots initiative, a plan to privatize national security vetting, is a central threat in the novel. What commentary do you think the book is making about the trend of outsourcing essential government functions to private companies? What are the potential dangers it highlights?

Dive into the book’s structure, characters, themes, and symbolism.

1. First Desk operates with ruthless pragmatism, culminating in her orchestration of Schenker’s assassination. Do you view her as a hero protecting her institution, a villain operating outside the law, or something more complex? What does her character argue about the nature of power and moral compromise? Give specific evidence from the text to support your reasoning.

2. Herron’s world of espionage is gritty, bureaucratic, and deeply cynical, a far cry from the glamour of Ian Fleming’s James Bond novels. How does The Secret Hours engage with or subvert the traditions of the spy genre, particularly a more grounded and morally complex tradition like John le Carré’s The Spy Who Came in from the Cold (1963)?

3. The narrative jumps between Max’s present-day flight, the Monochrome inquiry’s bureaucratic battles, and Alison’s testimony about 1994 Berlin. How does this non-linear structure impact the novel’s suspense?

4. How does the theme of Bureaucracy as a Battlefield play out through the Monochrome inquiry? In what specific ways does Herron turn procedural loopholes, carefully worded memos, and office politics into high-stakes weapons in the fight for power?

5. For readers familiar with the Slough House series, the reveal that Miles is a young Jackson Lamb is a key moment. How does this book’s portrayal of Miles as a flawed but charismatic field agent in Berlin add new layers to the slovenly, brilliant spymaster he’ll become?

Encourage imaginative and creative connections to the book.

1. If you were tasked with creating a soundtrack for a film adaptation of The Secret Hours, what kind of music would you choose for Max’s escape scenes versus the scenes within the Monochrome inquiry? Pick one or two specific songs that you feel capture the mood of each storyline.

2. Picture yourself as a junior civil servant assigned to work with Griselda and Malcolm after they decide to continue the inquiry in secret. What would your role be, and what advice would you give them as they navigate their dangerous new path?