The following is a list of actual books which have made appearances in DC Comics. Most appearances by individual books may be fictionalized accounts of their real-world counterparts. While many books have made appearances in mainstream DCU continuity, others have appeared only in Vertigo titles and assorted non-canon comic projects. See also, the List of comics that Real Books appear in category.
- Connecticut Yankee in King Arthur's Court, A by Mark Twain
- History of Secret Societies, A by Arkon Daraul
- Origin of the Species by Charles Darwin
- Time Machine, The by H. G. Wells
- War and Peace by Leo Tolstoy