# Slow Horses Avoids Game Of Thrones Problem

> Slow Horses won't run out of source material like Game Of Thrones did.
- Title: Slow Horses Avoids Game Of Thrones Problem · SlashFilm
- Summary: Slow Horses won't run out of source material like Game Of Thrones did. Slow Horses will continue beyond its book series due to Mick Herron's willingness to…
- Keywords: slow horses, mick herron, apple tv, game of thrones, house of dragon, avengers doomsday, breaking bad, lost, entertainment, culture, Slow, Horses
- Source: SlashFilm — https://slashfilm.com/2280937/slow-horses-game-of-thrones-problem
- Author: Jeremy Mathai
- Published: 2026-10-08T11:36:55+00:00
- Read time: 1 min
- Topics: slow horses, mick herron, apple tv, game of thrones, house of dragon, avengers doomsday, breaking bad, lost, entertainment, culture
## Slow Horses faces source material limit
Slow Horses has only six seasons and nine novels to adapt from.
## Game Of Thrones ran out of books
Game Of Thrones showrunners David Benioff and D.B. Weiss had no author approval for new stories.
## Slow Horses changes books freely
Slow Horses alters characters, locations, and timing to fit television needs.
## Mick Herron approves changes
Mick Herron allows changes as long as characters and mood stay true.

> Provided they continue to get the characters right, and to get the mood right, and don't do anything which is obviously antithetical to my vision of how it should be
## Slow Horses has new books coming
Mick Herron continues to write new books for Slow Horses after Season 8.
## Slow Horses avoids Game Of Thrones problem
Slow Horses won't run out of source material like Game Of Thrones did.
## Key takeaway

Slow Horses will continue beyond its book series due to Mick Herron's willingness to adapt and create new stories.