Finn ran back to Alex's side and excitedly grabbed him by the shoulder. "It really is the word 'death'! How did you find out?" Alex smiled. "I'm a librarian. I have the entire floor plan of the library memorized. I know exactly how many rows of bookshelves there are and how they are arranged. I even know what type of books are on each bookshelf. This is known as professional experience. Once I look at a place, I can automatically draw a floor plan of it in my mind. That's how I discovered the arrangement of these tombs." I was amazed. "Alex, we're counting on you! Have you figured out the hint?" Alex nodded. "The tombs are all not too far away from each other. There is only one empty space in the center of the word 'death'. If I'm not mistaken, the third step is to bury Kayden's body in

