The entire collection in Mp3 format along with study guides on a seperate CD in a zippered travel case. All 21 CDs Special Price! Collection includes: Acts, Romans, 1 Corinthians, 2 Corinthians, Galatians, Ephesians, Philippians, Colossians, 1 Thessalonians, 2 Thessalonians, 1 Timothy, 2 Timothy, Titus, Hebrews, James, 1 Peter, 2 Peter, 1 John & Revelation.