Dover Publications, also known as Dover Books is an American book publisher founded in 1941 by Hayward Cirker and his wife, Blanche. It publishes primarily reissues, books no longer published by their original publishers. These are often, but not always, books in the public domain. The original published editions may be scarce or historically significant. Dover republishes these books making them available at a significantly reduced cost.
Dover is well known for its reprints of classic works of literature, classical sheet music and of public-domain images from the 18th and 19th centuries. Dover also publishes an extensive collection of mathematical, scientific and engineering texts. It often targets its reprints at a niche market such as wood working.
Most Dover reprints are facsimiles by photo process of the originals, retaining the original pagination and typeset, sometimes with a new introduction. Dover will usually add new and more colorful cover art to its paper-bound editions. They retitle some books to make them more in line with modern usage and categorization. For example, the book Woodward's National Architect was retitled A Victorian Housebuilder's Guide.