Original sentence: In The Rise of the Black Wolf,  Grayson and the rest of the Grey Griffins go to Scotland for Christmas and spend their time enjoying the luxury of Lord Sumners castle
Edited sentence: In The Rise of the Black Wolf, Grayson plays the biggest role in the entire series.In this book, Grayson and the rest of the Grey Griffins go to Scotland for Christmas and spend their time enjoying the luxury of Lord Sumners castle