Here are some resources and research articles that you may find helpful:
Cannon, J. & Fernandez, C. (2003). "This research has nothing to do with our teaching!": An analysis of lesson study practitioners' difficulties conducting teacher research. Manuscript submitted for publication. (If you would like to obtain a draft of this paper, please e‐mail email@example.com.)
Chokshi, S. & Fernandez, C. (March 2004). Challenges to importing Japanese lesson study: Concerns, misconceptions, and nuances. Phi Delta Kappan, 85(7), 520‐525.
Easton, L. B. (2009). Protocols for professional learning. Alexandria, VA: Association for Supervision and Curriculum Development.
Easton, L. B. (Ed.) (2008). Powerful designs for professional learning. Oxford, OH: National Staff Development Council.
Fernandez, C. (2003). Lesson study: A means for U.S. teachers to develop the knowledge of mathematics needed for reform-minded teaching? Manuscript submitted for publication.
Fernandez, C. (2002). Learning from Japanese approaches to professional development: The case of lesson study. Journal of Teacher Education, 53(5), 393‐405.
Fernandez, C., Cannon, J., & Chokshi, S. (2003). A U.S.‐Japan lesson study collaboration reveals critical lenses for examining practice. Teaching and Teacher Education, 19(2), 171‐185.
Fernandez, C. & Chokshi, S. (October 2002). A practical guide to translating lesson study for a U.S. setting. Phi Delta Kappan, 84(2), 128‐134.
Fernandez, C., Chokshi, S., Cannon, J., & Yoshida, M. (in press). Learning about lesson study in the United States. In E. Beauchamp (Ed.), New and old voices on Japanese education. Armonk, New York: M.E. Sharpe.
Gallimore, R. & Santagata, R. (2006). Researching teaching: The problem of studying a system resistant to change. In R R. Bootzin & P. E. McKnight (Eds.). Strengthening Research Methodology: Psychological Measurement and Evaluation (pps. 11‐28) Washington, D.C.: APA Books
Hiebert, J., & Stigler, J. W. (2000). A proposal for improving classroom teaching: Lessons from the TIMSS video study. Elementary School Journal, 101, 3‐20.
Kelly, K. (2002). Lesson study: Can Japanese methods translate to U.S. schools? Harvard Education Letter, 18(3), 4‐7.
Lewis, C. (2008). Lesson study. In Easton, L. B. Powerful designs for professional learning. Oxford, OH: National Staff Development Council.
Lewis, C. (2006). Lesson study in North America: Progress and challenges In M. Matoba, K. A. Crawford & M. R. Sarkar Arani (Eds.) Lesson study: International Perspective on Policy and Practice. Educational Science Publishing House, Beijing.
Lewis, C. (2004). Lesson study. In Easton, L. B. Powerful designs for professional learning. Oxford, OH: National Staff Development Council.
Lewis, C. (2002). Lesson Study: A Handbook of Teacher Led Instructional Change. Philadelphia: Research for Better Schools.
Lewis, C. (2002) What are the essential elements of lesson study? The California Science Project Connection. Volume 2, No. 6. November/December 2002.
Lewis, C. (2002). Does lesson study have a future in the United States? Journal of the Nagoya University Department of Education, January (1), 1‐23.
Lewis, C., Perry, R., & Hurd, J. (2004). A deeper look at lesson study. Educational Leadership, 61(5), 6‐11.
Lewis, C., Perry, R., Hurd, J., & O'Connell, P. (2006). Lesson study comes of age in North America. Phi Delta Kappan. December 2006, pp. 273‐281.
Lewis, C., Perry, R., & Murata A. (2006). How should research contribute to instructional improvement: A case of lesson study. Educational Researcher,
Vol. 35, No. 3, pp. 3‐14.
Lewis, C. & Tsuchida, I. (1998). A lesson is like a swiftly flowing river: Research lessons and the improvement of Japanese education. American Educator,
Winter, 14‐17 & 50‐52.
Lewis, C., & Tsuchida, I. (1998). The basics in Japan: The three Cs. Educational Leadership 55:6, 32‐37.
Liptak, L. (2002). It's a matter of time. RBS Currents, 5(2), 6‐7.
Perry, R., & Lewis, C. (in press) What is successful adaptation of lesson study in the U.S.? Journal of Educational Change.
Watanabe, T. (Winter 2003). Lesson study: A new model of collaboration. Academic Exchange Quarterly, 7(4)