Book of Days may refer to: Literature Fasti (poem), known in English as the "Book of Days", a Latin poem by Ovid Chambers Book of Days, by Robert Chambers The Wicca Book of Days by Gerina Dunwich Gorillas Among Us: A Primate Ethnographer's Book of Days by Dawn Prince-Hughes Men Are from Mars, Women Are from Venus Book of Days by John Gray Book of Days by China Bayles The diary of Stanislaus Joyce that he called his "Book of Days” Book of Days, a 2000 play by Lanford Wilson Music The Celtic Book of Days, a 1998 album David Arkenstone "Book of Days" (song), a 1992 single by Enya Book of Days (The Psychedelic Furs album), 1989 Book of Days (Nektar album), 2008 Book of Days (Meredith Monk album), 1990 Book of Days, a 2003 album by Susan Crowe Other Book of Days, a 2003 film, starring Wil Wheaton and Isaac Hayes