This special issue consists of a collection of articles focusing on the subject of resource centers and their impact on self-directed second language learning, including their location, installation, function, intervention, and teaching materials. Articles are in English or French; French articles have an English abstract, and English articles have a French abstract. French articles included are: "Teaching Students "To Learn: Lessons from One Experience" (Marie-Jose Gremmo); "To Counsel Is Not To Teach: The Role of the Counselor in Counseling Sessions" (Marie-Jose Gremmo); "Developing the Counselor" (Sophie Bailly); "What Materials Do Resource Centers Need?" (Emmanuelle Carette and Henri Holec); "Cataloging, Indexing, and Filing of Materials in Language Resource Centers" (Sam Michel Cembalo); "Organizing the Learner To Learn in an Industrial Environment: The Resource Center of E Corporation" (Danielle Abe); and "Self-Directed Learning and Higher Education Teaching: A College-Level Resource Center" (Turid Trebbi). English articles include: "Notes on the Design of Self-Access Systems" (Philip Riley); "A Mobile Resources Centre and Some Trials, Errors, and Improvements in Learner Training" (Harvey Moulden); and "Student Variability and the Language Resource Centre: A Case Study" (Richard Duda). (Contains 70 references.) (NAV)