World Book Encyclopedia; 1983; World Book, Inc; Volume A; page 561; entry Archangel. ARCHANGEL is a chief angel or leader among the angels. In the Bible, nine ranks of heavenly beings have been counted. Angels are the lowest, and archangels are just above. The two highest are cherubim and seraphim. Archangels are mentioned in I Thess 4:16 and Jude 9. There is a special church festival for the archangel Micheal. See also ANGEL; MICHAEL, SAINT.