Book Store › The Concepts—Al-Anon’s Best Kept Secret? [P57] Image 1 of 1 The Concepts—Al-Anon’s Best Kept Secret? [P57] $1.40 Explains Al-Anon's third Legacy for worldwide service in an easy-to-understand manner. Illustrated. 32 pages. Quantity: Add To Cart Added! Explains Al-Anon's third Legacy for worldwide service in an easy-to-understand manner. Illustrated. 32 pages.