Find free content and save on permission fees Millions of creative works--books, artwork, photos, songs, movies, and more--are available copyright-free in the public domain. Frozen for decades due to lengthened copyright terms, the public domain has finally begun to grow again as copyrights for older works expire. In 2025 alone, books such as The Sound and the Fury , A Farewell to Arms , and All Quiet on the Western Front , songs like Singin' in the Rain" and "Happy Days Are Here Again," and the character Popeye entered the public domain. This is the only book that helps you find and identify which creative works are protected by copyright and which are not, The Public Domain covers rules for using all types of public domain works, including books and other written works, songs, art, movies, and more. The 10th edition is completely updated to include new public domain resources and the latest legal changes to copyright and the public domain, including the copyrightability of AI-generated works.