Maggie Sokolik, Ph.D. was born in Olympia, Washington. She is a writer/editor living in the Bay Area. She graduated from Reed College in Portland, Oregon, and received a Ph.D. in Applied Linguistics from UCLA. She teaches writing at UC Berkeley. She is also the instructor for a popular online course, Principles of Written English, offered through edx.org. This class is offered for English language learners and writers around the world, and has attracted tens of thousands of students. Her book Principles of Written English are companion textbooks for the course. Dorothy Zemach is an author, edi...