David Clabeaux has taught developmental English, with a focus on grammar, at the middle school, high school, and collegiate levels. He received his BA in English from the University of Buffalo. He currently owns a small marketing firm, gives lectures on Internet marketing strategies to small to mid-sized businesses, and is working on his third book. Dr. Keith Folse is ... Read morea Professor of TESOL at the University of Central Florida. He is the author of 57 textbooks on a variety of subjects from grammar to vocabulary to composition, including five best-selling books in the Great Writing series by National Geographic Learning. Elena Vestri Solomon is currently a lecturer in the B. Ed program for future teachers in Abu Dhabi's Emirates College for Advanced Education. She received her MA in Applied Linguistics from the University of South Florida, Tampa, and has lived and worked in Italy, Spain, France, Hungary, Romania, Uzbekistan, and UAE. She has authored/co-authored over a dozen academic textbooks in composition, grammar, and listening/speaking/note-taking. Show Less