book
A book is a collection of printed words on paper. Some books also have pictures; others do not. A book normally has a lot of pages and is held together between two covers. A big group of books is called a library.
Books are split into two main categories, fiction and non-fiction. Fiction stories are stories which did not really happen, and have been imagined by the author. A book based on real events, but with fictional characters or dialogue, is still fiction but sometimes called historical fiction. Non-fiction is about true facts, like history or science books, or a biography (someone's life story).
Books can be on any subject, from gardening to the human body. They are one of the oldest forms of communication besides talking.
From Wikipedia, the free encyclopedia
Paperback
Paperback, softback, or softcover describe and refer to a book by the nature of its binding. The covers of such books are usually made of paper or cardboard, and are usually held together with glue rather than stitches or staples.
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