The following books have contributed over the last several years to my teaching epiphany:

Thomas Angelo and Patricia Cross. Classroom Assessment Techniques: A Handbook for College Teachers.
Ken Bain. What the Best College Teacher's Do.
John Bean. Engaging Ideas: The Professor's Guide to Integrating Writing, Critical Thinking, and Active Learning in the Classroom.
Suzie Boss and Jane Krauss. Reinventing Project-Based Learning: Your Field Guide to Real-World Projects in the Digital Age.
Stephen Brookfield and Stephen Preskill. Discussion as a Way of Teaching.
Barbara Gross Davis. Tools for Teaching.
Bette LaSere Erickson, Calvin B. Peters, and Diane Weltner Strommer. Teaching First-Year College Students.
Peter Filene. The Joy of Teaching: A Practical Guide for New College Instructors.
Donald Finkel. Teaching with Your Mouth Shut.
Joyce Kinkead, ed. Valuing and Supporting Undergraduate Research.
James Lang. Life on the Tenure Track: Lessons from the First Year.
James Lang. On Course: A Week-by-Week Guide to Your First Semester of College Teaching.
Richard Light. Making the Most of College: Students Speak Their Minds.
Joseph Lowman. Mastering the Techniques of College Teaching.
Wilbert McKeachie. Teaching Tips. 12th ed. 2005.
Linda B. Nilson. Teaching at its Best: A Research-Based Resource for College Instructors.
Linda Nilson and Barbara Weaver. Enhancing Learning with Laptops in the Classroom.
Parker Palmer. The Courage to Teach.
Jay Parini. The Art of Teaching.
Justin Reich and Thomas Daccord. Best Ideas for Teaching with Technology: A Practical Guide by Teachers, for Teachers.
Will Richardson. Blogs, Wikis, Podcasts, and Other Powerful Web Tools for Classrooms.
Michael P. Sauers. Blogging and RSS: A Librarian's Guide.
Dannelle Steven and Antonia Levi. Introduction to Rubrics.
Barbara Walvoord. Teaching and Learning in College Introductory Religion Courses.
Barbara Walvoord and Virginia Johnson Anderson. Effective Grading: A Tool for Learning and Assessment.
David Warlick. Classroom Blogging: A Teacher's Guide to Blogs, Wikis, and other Tools that are Shaping a New Information Landscape.