Published in SEDL Letter Volume XVlll, Number 3, December 2006, 40 Years of SEDL's Building Knowledge to Support Learning
Wesley A. Hoover, PhD - President and CEO

Joyce S. Pollard, EdD - Director, Office of Institutional Communications
Leslie Asher Blair, MA - Editor
Debbie Ritenour, MA - Contributing Editor
Nancy Reynolds, MLS - Librarian

Jane Thurmond (Austin, Texas) designed SEDL Letter. The photos on pages 22–24 were taken by photographer Bret Brookshire (Austin, Texas). All other photos are ©Jupiter Images, Getty Images, or taken from the SEDL archive. SEDL Letter complements and draws on work performed by the Southwest Educational Development Laboratory under a variety of funding sources, including the U.S. Department of Education and the U.S. government. The publication is not supported with direct program funds related to any SEDL programs or projects. SEDL Letter does not necessarily reflect the views of the U.S. government or any other source. You are welcome to reproduce SEDL Letter and distribute copies at no cost to recipients; please credit the Southwest Educational Development Laboratory as publisher and respect the copyrights of designated illustrators, designers, and contributors. SEDL is an Equal Opportunity/Affirmative Action Employer and is committed to affording equal employment opportunities for all individuals in all employment matters. Available in alternative formats.