The Importance of Duty - Audiobook on Cassette Author: David Barton Retail Price: $4.95 Our Price: $3.99 Save: 0.96 (19.39%)        David Barton discusses how the Founders displayed and promoted a sense of duty while forging together and creating this great godly country. 1 cassette. Similar Items you may enjoy! The Dangerous Duty of Delight: The Glorified God and the Satisfied Soul-Audiobook on CD Author: John Piper Our Price: $12.99 Mark Twain Audiobook Collection - Audiobook on Cassette Author: Mark Twain Our Price: $44.99 The Importance of Being Earnest Author: Oscar Wilde Our Price: $1.49 The Importance of Being Foolish: How to Think Like Jesus Author: Brennan Manning Our Price: $15.99