Contents // Introduction 1 // PART ONE: SECOND LANGUAGE TEACHING // 1 Language Acquisition Theory and Materials Development 7 // 2 Core and Supplementary Activities in Language Teaching 25 // 3 The Din in the Head, Input, and the Language Acquisition Device 35 // 4 Second Language Acquisition Theory and the Preparation of Teachers: Toward a Rationale 43 // PART TWO: IMMERSION AND BILINGUAL // EDUCATION // 5 Immersion: Why It Works and What It Has Taught Us 57 // 6 Does Bilingual Education Delay the Acquisition of English? 69 // PART THREE: LITERACY // 7 The Power of Reading 89 // 8 Further Inquiries 115 Bibliography 135