This paper examines tools that a teacher-librarian may be able to use effectively to develop cooperative planning and teaching to develop information literate students. It addresses the perspective of the teacher in the learning process and shows ways that the teacher-librarian can be a collaborative partner in the process. Issues related to teaching and learning styles are addressed. The paper is divided into four sections that present guidelines related to the following responsibilities of teacher-librarians: (1) instruction and cooperative planning and teaching; (2) expertise and educational credibility; (3) management of resources; and (4) program advocacy. (MES)