Complex sentence: Initially serialized in the "Christian Union" on a weekly basis, the novel became immensely popular, with over 135 printings, three film versions, and an outdoor play which has been performed annually since 1923.
Split into simpler sentences: Initially serialized in the "Christian Union" on a weekly basis, the novel became immensely popular. Overall, it has had more than 300 printings, been made into three film versions, and has been performed as an outdoor play annually since 1923.