About the Author

Laurie Blass is an experienced writer and content developer specializing in English Language Teaching materials. She has an MA in Linguistics and a TESL certificate from the University of Pittsburgh and has taught ESL in the United States and France. She is the author/co-author of several ELT titles representing a wide range of audiences, from adult education to English for academic purposes. Mari Vargo is an experienced writer, editor, and educational consultant based in San Francisco. She has written and developed a wide variety of print, online and multimedia products, for primary and secondary school, community college, adult school, and university students.