This paper proposes that the Book of the Twelve show signs of a single compositional stratum that develops a program set forth in Hos 3:4–5. The three criteria for identifying the seam work of the prophetic composer responsible for this are: (1) distinct material at the end of one book that connects to distinct material at the beginning of the next; (2) development of the program in Hos 3:4–5; and (3) citation from the book of Jeremiah.