The tradition of Christian fiction
Christian novels have a rich tradition in Europe, which goes back several centuries, and draws on past Christian allegorical literature, such as Dante Alighieri's Divine Comedy and John Bunyan's The Pilgrim's Progress,The Holy War. Twentieth century proponents of the Christian novel in English include J.R.R. Tolkien, G. K. Chesterton, C.S. Lewis, and Madeleine L'Engle. Aslan in Lewis' The Lion, the Witch and the Wardrobe allegorically represents Christ, for example, while L'Engle's A Live Coal in the Sea explicitly references the medieval allegorical poem Piers Plowman.
Many novels with Christian themes also fall into specific mainstream fiction genres. For example, J.R.R. Tolkien's The Lord of the Rings is viewed as mainstream fantasy, while Julian May's Galactic Milieu Series is viewed as mainstream science fiction, in spite of the references to the work of Jesuit priest Pierre Teilhard de Chardin. Similarly, G. K. Chesterton's Father Brown stories are mainstream detective fiction, even though the main character is a Catholic priest
Modern American Christian novels
In the last few centuries the existence of a conservative Christian subculture, particularly in North America, has given rise to a specific genre of Christian novel. Books such as Love Comes Softly by Janette Oke (1979) and This Present Darkness by Frank Peretti (1985), combining a specific brand of conservative Christian theology with a popular romance or thriller form, have gained approval in the subculture, just as in earlier times Ben-Hur: A Tale of the Christ helped make the novel acceptable to conservative religious people of the day. Publication of such Christian novels has increased greatly from this beginning, and excellence in the genre is now recognised by the Christy Awards, although an article in Christianity Today recently argued that such use of popular forms risks "foisting on the world impoverished - even laughable - expressions of those genres."
In North America, the Christian novel has evolved into a specific genre of its own, written explicitly by and for Christians of a particular type. Such a Christian novel does not have to involve an actual event or character in Bible history. A novel can be Christian in this sense merely because one of its characters either comes to a proper understanding of God and of man's need for salvation from sin, or faces a crisis of his or her faith. Nor does the plot need to turn on whether any given character is a Christian or not — although many Christian novels do have plots that explicitly reference persecution (in the past, the present, or the future), Bible history, or unfulfilled prophecy (as in the immensely popular Left Behind series). Popular authors of Christian novels include Francine Rivers in the romance sub-genre, and Ted Dekker and Robert Liparulo in the thriller/suspense sub-genre.
Other authors of Christian novels include Karen Kingsbury, Judith McCoy Miller, Tracie Peterson, Bethany Kennedy Scanlon, Tosca Lee and Robert Whitlow. Some authors of Christian novels have received a mixed reception within the conservative Christian community. William P. Young's best-selling theological novel The Shack, for example, was strongly criticised by some reviewers.
Deborah Bryan of the Kansas Library Association suggests that this genre of books typically promotes values, teaches a lesson, always has a happy ending (good prevails over evil in all books), adheres to a decency code (certain boundaries such as sexuality, strong language, and topics of such cannot be crossed), and that Christian fiction is created for defined boundaries within a particular community. She also notes that a Christian fiction writer must comply with certain restraints such as:
- Accept the truthful authority of the Bible
- Address dilemmas through faith in Jesus
- Believe that Jesus died and rose for sins of all people
- Avoid writing about certain “taboos”
Publishers of Christian novels include B&H Publishing Group, Baker Publishing Group (whose imprints include Baker Academic, Baker Books, Bethany House, Brazos Press, Chosen, and Revell), Bridge-Logos Foundation, David C. Cook, HarperCollins Christian (Thomas Nelson) and Zondervan), Harvest House, Howard Publishing (a division of Simon & Schuster), Kregel Publications, Tyndale House, and Waterbrook Press (a division of Random House). Such novels are today marketed world-wide through Christian bookstores and online distributors, such as ChristianBook.com and Amazon.com, respectively.
Urban Christian fiction
Urban Christian fiction is a genre in which conflicting stories of emotion and vividness mixes God, the urban church, and faith. Violence and sex is not purposely excluded, but are included whenever necessary for the story line. God is the center of the characters lives in Urban Christian Fiction and these stories usually portray African-American or Latino urban culture. Urban Christian publishing company publishes urban Christian books along with other subdivisions of urban Christian which includes urban renaissance and urban soul. Some best-selling authors in this genre for 2012 are Kimberla Lawson Roby, Victoria Christopher Murray, Tony Dungy, Lutishia Lovely, Neta Jackson, Keyon C. Polite, Serita Jakes (Bishop T.D. Jakes' wife), and ReShonda Tate Billingsley. Some book titles and authors of urban Christian fiction are: Married Strangers by Dwan Abrams, Sheena's Dream by Marilyn Mayo Anderson, First Comes Love by Shana Johnson Burton, Count It All Joy by Ashea Goldson, Secrets and Lies by Rhonda McKnight, 'Til Debt Do Us Part by Michelle Larks, and Soul Confessions by Monique Miller. Urban Christian fiction is classified as part of the African-American Christian Market (AACM), where the hot-selling topics are fiction, books for dating, dramatic testimony, and single parenting. Prominent pastors of megachurches and leaders of powerful ministries contributes largely to AACM. Baker Publishing Group is one publisher to make an authentic impact in publishing African-American authors of Christian fiction and religious materials.
- Matthew T. Dickerson, Following Gandalf: Epic Battles and Moral Victory in The Lord of the Rings, Brazos Press, 2003,
- It's Not Your Grandmothers Christian Fiction Anymore, by Deborah Bryan, presented at the Tri-Conference 2007, April 11–13, 2007 (Topeka, Kansas), 
- L'Engle's title is drawn from the line "And all the wickedness in this world that man might work or think is no more to the mercy of God than a live coal in the sea."
- Christianity Today, 17 Jan 2003, online
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- "Search | Challies Dot Com". challies.com. Retrieved 2014-04-04.
- Bryan, Deborah Bryan. www.mpla.us/documents/handouts/2009/bryan.pdf Books for the Soul: Contemporary Christian Fiction at Your Library. Kansas Library Association.
- dbw Press Release (June 5, 2014). "Ebook Subscription Service Entitle Adds Christian Vertical". Digital Book World.
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- Urban Christian, http://www.urbanbooks.net/Urban-Christian/index.html, (accessed 9 May 2012)
- Urban Christian News, "Bestsellers List," http://www.urbanchristiannews.com/ucn/urban-christian-news-bestsellers-list.html (accessed 12 May 2012)
- Hennepin County Library, "Bookspace," http://www.hclib.org/pub/bookspace/mybooklists/showlist.cfm?ListID=4726 (accessed 14 May 2013)
- Publisher's Weekly, "African-American Market Comes of Age," http://www.publishersweekly.com/pw/print/20080901/15769-african-american-market-comes-of-age-.html (accessed 14 May 2012)