Time Zones 4 with Online Workbook

Jennifer Wilkin has more than 20 years' experience as a curriculum developer, materials writer, editor, teacher trainer, and school director. She is the founding director of Science, Language & Arts International School, a French and Mandarin immersion primary and middle school in New York City. Her English-language books and materials have been published by National Geographic Learning, Macmillan, and Cambridge University Press, among others. Jennifer is also an accomplished violinist and lives in Brooklyn, New York. David Bohlke has over 30 years of experience as a teacher, teacher trainer, program director, editor, and materials writer. He has lived and worked in Japan, Korea, Singapore, Australia, Saudi Arabia, and Morocco, and has conducted multiple teacher-training workshops in Asia, the Middle East, Latin America, Africa, and the Pacific. As an editor he has worked on some of the world�s best-selling ELT courses for teens and adults. For National Geographic Learning he has authored the series Time Zones, Keynote, and Reading Explorer. David holds an M.A. in Applied Linguistics/TESOL.