The Ritual: What Happened To This Adaptation?

The Ritual wasn’t one of those immediate releases where the book was churned into a movie before the book had time to cook, and it is the only adaptation from the very U.K. author's works. While the movie did extremely well on Netflix and the book is seen as a modern classic, how well did the motion picture follow the book? Keep track of your friends while camping as we find out what happened to this adaptation.