Endorsed by John MacArthur, Dr. Cyril J. Barber, R. Kent Hughes, Elizabeth George, and Harold Hoehner, this is a "must-have" resource for any Christian. These four volumes are a unique, one-of-a-kind commentary that explores every prayer of the Bible. An excellent tool for study and meditation, the commentary includes an introduction and background information for every book of the Bible. Every prayer is outlined with numerous cross references.  Old Testament: Vol. 1 (Genesis through 2 Chronicles) and Vol. 2 (Ezra through Malachi). New Testament: Vol. 1 (Matthew through Romans) and Vol. 2 (1 Corinthians through Revelation).  Available as a 4-volume set only.