Advance praise: 'Under Spolsky's capable editorship, language policy has come of age, with a book that will be as invaluable to policy makers, implementers and stakeholders as it is indispensable to students and researchers.' John E. Joseph, University of Edinburgh '... explains why administrators promulgate instructional programs in which forgetting exceeds learning, inadequate time insures fractured acquisition, and materials and assessment ignores research.' Robert B. Kaplan, Emeritus Professor, University of Southern California.