From the first page till the last page, you will feel like glued to this book. One by one, so thrilling sequence of actions keep happening that you won't even feel like keeping the book down for a single minute. It's characters seem so real to you that you can imagine each and every detail of every situation. The mystery goes down till it's last chapter and you will keep biting your nails thinking what's going to happen next. Whole novel revolves around coding, decoding, encryption and decryption. You are gonna love it