Unit 1 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 2 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 3 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 4 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 5 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 6 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 7 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 8 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 9 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 10 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 11 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 12 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 13 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 14 Passage of Classroom Discussion Passage for Further Reading WirtingUnit 15 Passage of Classroom Discussion Passage for Further Reading WirtingKey to Exercises