The Growing Edge is a book of Howard Thurman's sermons. For Thurman, the sermon is an act of worship in which the preacher exposes his spirit and mind as they seek to reveal the spirit of the Living God upon them. Thurman presents his sermons in six sections: Concerning Enemies, Concerning Prayer, Concerning God, Concerning Peace, Concerning Festivals, and Concerning Christian Character.

Howard Thurman (1900-1981) was an African American theologian, pastor, and civil rights leader. He served as the dean of the chapel at both Howard and Boston universities and was a founder and co-pastor of the Church for the Fellowship of All Peoples in San Francisco, California. Thurman's many books include Jesus and the Disinherited (1949) and Disciplines of the Spirit (1963).