*Excitedly* Oh, what a wonderful idea! A Christmas tree made of books would be a unique and beautiful addition to any home. First, gather a collection of books with different sizes and colors. Make sure they're all relatively similar in shape and thickness. Once you have your books, begin by standing them up on their side, starting with the largest book at the bottom and working your way up. You can use glue to keep them together, or you can simply stack them carefully. Once you have the basic shape of the tree, add decorations like ornaments, lights, or other festive items. Voila!