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Papercover


A paperback is a type of book characterized by a thick paper or paperboard cover, and often held together with glue rather than stitches or staples. In contrast, hardcover or hardback books are bound with cardboard covered with cloth.

Inexpensive books bound in paper have existed since at least the 19th century in such forms as pamphlets, yellowbacks, dime novels, and airport novels. Modern paperbacks can be differentiated by size. In the US there are "mass-market paperbacks" and larger, more durable "trade paperbacks". In the UK, there are A-format, B-format, and the largest C-format sizes.

Paperback editions of books are issued when a publisher decides to release a book in a low-cost format. Cheaper, lower quality paper; glued (rather than stapled or sewn) bindings; and the lack of a hard cover may contribute to the lower cost of paperbacks. Paperbacks can be the preferred medium when a book is not expected to be a major seller or where the publisher wishes to release a book without putting forth a large investment. Examples include many novels, and newer editions or reprintings of older books.

Since hardcovers tend to have a larger profit margin, many publishers try to balance the profit to be made by selling fewer hardcovers against the potential profit to be made by selling more paperbacks with a smaller profit per unit. First editions of many modern books, especially genre fiction, are issued in paperback. Best-selling books, on the other hand, may maintain sales in hardcover for an extended period in order to reap the greater profits that the hardcovers provide.

The early 19th century saw numerous improvements in the printing, publishing and book-distribution processes, with the introduction of steam-powered printing presses, pulp mills, automatic type setting, and a network of railways. These innovations enabled the likes of Simms and McIntyre of Belfast,Routledge & Sons (founded in 1836) and Ward & Lock (founded in 1854) to mass-produce cheap uniform yellowback or paperback editions of existing works, and distribute and sell them across the British Isles, principally via the ubiquitous W H Smith & Sons newsagent found at most urban British railway stations. These paper bound volumes were offered for sale at a fraction of the historic cost of a book, and were of a smaller format (110x175mm) aimed at the railway traveller. The Routledge's Railway Library series of paperbacks remained in print until 1898, and offered the traveling public 1,277 unique titles.


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