What is the most difficult script to kill?

Highly recommend "The Enigma"! This is an online book I found on Variety Detective. It is a pure puzzle book. It is a book for five people. Everyone needs to solve their own puzzles, and they also need to cooperate to solve puzzles. The background of the story is a fantasy background. There are There are five identities: mathematician, traveler, Feng Shui expert, foreigner and poet. Each identity corresponds to different puzzles. You can choose the type of puzzle you are good at according to the introduction. The puzzles in this book are really good. If you are interested, you can try it (//?//)!