Connect Workbook 4 Author:Jack C. Richards, Carlos Barbisan, Chuck Sandy, Dorothy E. Zemach Connect, First Edition, is a fun, 4-level, multi-skills American English course especially written and designed for young adolescents. Workbook 4 provides additional reading and writing reinforcement of Student's Book 4, which is a high-intermediate-level text for students aged 11-15. There is one Workbook page per Student's Book lesson. Answer... more » keys are in Teacher's Edition 4. In the Check Yourself section, students assess their own performance. Workbook 4 can be done at home or in class.« less