The Dewey Decimal System is a system that uses numbers to label nonfiction books. 0-99 covers computer science, information, and general works. 100-199 covers philosophy and psychology. 200-299 covers religion. 300-399 covers social sciences. 400-499 covers language. 500-599 covers science. 600-699 covers technology. 700-799 covers arts and recreation. 800-899 covers literature. And finally, 900-999 covers history, geography, and biography. TITLE ABOUT CALL NUMBER The young author's doit-yourself book: how to write, illustrate, and produce your own book Writing, Illustrating, and producing your own book 070.5 Gu Tulips An overview of the life of a tulip 635.93 Mi Seeing Earth From Space Text and photographs taken from space show the nature, evolution, and future of Earth 525 La My library system involves breaking categories into subcategories. It would start out as the categories of Fiction and Non-fiction. The fiction would break up into the genres of it, while the nonfiction would break up into the categories of science, general information and woks, philosophy, psychology, language, religion, arts, recreation, literature, and people. From there the system would get even more specific. For example, the nonfiction category of arts would break up into the categories of music, art, and dance. The fiction genres would break up into parts with the author’s first name as the order. For example, the subcategory fantasy would then break up into fantasy c, then fantasy ch, and so on until the name spelled Christopher. From there, the system would start on the last name. It would then be fantasy Christopher p, until it spelled Christopher Paolini. My library system has some advantages and some disadvantages. One of the advantages is if you know what you are specifically looking for, you could find it in seconds. If you didn’t know what you were looking for but you knew a category you liked, such as biography, you would be able to