For the past few years, the Hallmark Channel has become a beacon for the top family-friendly and romantic Christmas movies on television. For the entire month, the channel is playing holiday-themed movies all day and premiering 21 new films. For lovers of heartwarming stories, this is like hitting the jackpot! However, if watching 24 hours of your favorite films isn't enough enjoyment for you, perhaps you'd be happy to know that many of Hallmark's most popular Christmas flicks are actually based on famous novels — and you can buy and read them right now! Below, 13 fan-favorite Hallmark movies that were actually based on books.