The Gaining Remaining Fruit (GRF) series is a discipleship program written by Steven Curington and designed to help any individual not only find the Truth, but also live the Spirit-filled life. This discipleship course has helped countless thousands of individuals across the world. The Threshold Study Course is the fourth and final book of the GRF Discipleship Series. It is preceded by the Strongholds, Uphold, and Behold Study Courses. No matter your age or struggle, the GRF Discipleship Series can help you know God in a more personal and intimate manner. The required reading for the Threshold is Produce the Juice and the “It’s Personal” Daily Journal.