Professional Learning Communities at Work: Best Practices for Enhancing Student Achievement Richard Dufour, Robert E. Eaker PaperbackSolution Tree 1998-02-011879639602 Description: Good – Name on flyleaf. No markings on text. mon0000665917           General, Leadership, Policy, Professional Development, Look Inside Nonfiction Books. Family Owned & Operated Oklahoma Bookstore Located on Historic Route 66 Opened in 1989, Online Since 1995 Millions of Books Shipped Worldwide Packages shipped daily, Mon-Fri.1.2500 pounds.