A reference source that is found in paper or CD ROM format that lists most (U.S.) books presently in print.

A database managed by R. R. Bowker of books in or about to print based on the ISBN numbers issued by them to the publishers.

Publication listing all books which are available for purchase through normal book trade channels. Available in author, title and subject sections, BIP indexes the entries in Publishers Trade List Annual.

The title of the master book list of current in print ISBN assigned books; located at Library Reference Desks, bookstore offices, and on-line.

An annual publication listing all types of books published and distributed in the United States which are available for purchase.

Listings, published by R. R. Bowker, of books currently in print; these yearly volumes (along with periodic supplements such as Forthcoming Books in Print) provide ordering information including titles, authors, ISBN numbers, prices, whether the book is available in hardcover or paperback, and publisher names. Intended for use by the book trade, Books in Print is also of great value to writers who are researching and market-researching their projects. Listings are provided alphabetically by author, title, and subject area.

This is a resource for bookstores and libraries, but often, one cannot find it there. This can be accessed electronically from a library that has has access to it. It can also be looked at at a library or bookstore--if available.