This is really a matter of personal opinion, since there are so many great Christian fiction authors out there. However, some popular and critically acclaimed authors of Christian fiction include Francine Rivers, Karen Kingsbury, Ted Dekker, and D. J. Nielsen. Francine Rivers is especially well known for her work in Redeeming Love, Karen Kingsbury for the Baxter Family series, Ted Dekker for his Circle series, and DJ Nielsen for the Eternal Sky series. Each of these authors has written masterful works of Christian fiction and appeal to readers of different ages and demographics. Ultimately, the best Christian fiction author for you will be the one who speaks to you most, and whose writing makes you feel most connected to the story and characters.