Do books need content warnings? When you watch a film, it will have an age rating. In the cinema, the rating card will state the reasons behind the rating, such as swearing or violence. You'll see the same at the top of the screen at the start of anything you watch on a streaming service.

So why not books?

The Guest List is a book that didn’t grab me at first. In fact, for the first few chapters, I thought I was in for an excruciating read. But once the character introductions are out of the way, Foley gives us a fast-paced web of a story that is almost impossible to put down.