It's not going to be easy for the series moving forward...

The best Witcher books are the first two with the short stories by far. That's what they largely took from, but certainly changed a lot in this season. The following saga is all over the place. The books aren't that long, but felt much longer to me with how convoluted things got at times. I believe it will be very hard to film and maintain interest in the main characters with all the new additions and largely disconnected plots. So likely they will have change it more and make up things, which is never good for these type of books turned into TV shows.