Traditionally, a printed trial-run of the work, bound or unbound, which is used for proofreading and to determine if changes need to be made in the text. The typical publishing process is proof, advance reading copy, and publication. However, bound proofs are also used for pre-publication publicity and are often sent out in place of advance reading copies to booksellers and reviewers. Also known as galley, galley proof, page proof, and uncorrected proof.