The Unspeakable Gift from God by author Debbie Reynolds is a nonfiction Christian book that helps readers learn more about the Christian faith, shares stories of God's work in the author's life, and blesses the reader with devotional poetry of praise and worship. Debbie uses this nonfiction Christian devotional book to help readers better understand their faith, along with sharing her own personal experiences of miracles that God has worked in her life. Major themes in The Unspeakable Gift from God include prayer, worship, and praise. Debbie begins her study by giving an overview of supernatural forces, the devil, and the power Christians have through the Holy Spirit. She then goes deeper into the power of prayer and worship, talking about the amazing divine qualities of God. The Unspeakable Gift from God concludes with heartfelt and worshipful poems that lead the reader to turn to God in praise and thanks.