This is the fourth book in the series and the second edition. It now has 50,000 words, and is the longest of the four. If you have read the three previous books, you will understand that you never know what to expect. If you haven't read them, you should because then this book will be much more enjoyable as you need to know what has happened in the past. The first books will lead up to the discovery of where these monsters came from and will...