Is the "substance" of your faith strong enough to endure these dark last days? Even in these times of great tribulation, "true" believers must remain steadfast in their faith and continue working toward salvation, for only the "true" believers shall overcome the cares of this world by faith. To help you stay on the path of righteousness, you must read and adhere to all that is written in this book, The Substance of Faith. Hurry and get your copy today.