Check out our personalized leather journal selection for the very best in unique or custom, handmade pieces from our journals range at Natural Agate. A leather bound journal is a book, diary, bible, notebook or journal that is bound by some sort of leather. Leather provides an important protective layer between your cover and the contents within your journal. Leather journals are also more flexible. They can fit into a pocket quite easily. It is easy for handwriting, drawing or sketching and compact for carrying in your bag. Place an order for Custom Designs Leather Journals A today.