This is an updated and expanded edition of the author's book previously published as "Firm Foundations". This book explains what the Bible teaches about God, Jesus Christ, the Holy Spirit, humanity, salvation, baptism in water, baptism in the Holy Spirit, grace vs. law, Christian moral values, the church, sickness, healing, angels, heavenly beings, the devil, prayer, worship, death, and Christ's second coming. This book also includes a brief...