Book

A book is a collection of pages that has a collection of pages containing words or pictures. Books can be written by hand, written by hand but with a keyboard, or written by robotic hand. Books can also be sold, burned, frozen, ripped, read, charred, and other things! The pages of a book are usually encased in a hard cover, made out of plastic or wood. Books can be very interesting and entertaining... if the book has anything in it.If, by random* chances, the book has anything in it, it can be classified by a "genre," such as Fantasy or Horror.

* not random at all, mostly just the human brain deciding to do something

So, in a nutshell, books are just collections of information.