Irene E. Schoenberg

Irene E. Schoenberg has taught ESL for over twenty-five years at Hunter College's International English Language Institute and for eighteen years at Columbia University's American Language Program. She has trained ESL and EFL teachers at the New School for Social Research and has lectured at conferences and English language schools and universities in Brazil, Mexico, Thailand, Taiwan, Japan, and the United States. She is the author of Talk about Trivia and Talk about Values and co-author of the True Colors series with Jay Maurer. Ms. Schoenberg holds an MA in TESOL from Columbia University. Focus on Grammar: A Basic Course for Reference and Practice has grown out of the author's experience as a practicing teacher of English.

Samuela Eckstut

Samuela Eckstut is a senior lecturer at the Center for English Language and Orientation Programs at Boston University. She has authored several publications including Finishing Touches, Focus On Grammar Basic Workbook, In The Real World, Longman Reading Series: First Impressions, Beneath The Surface, Widely Read and What's In A Word?. She holds an M.Ed. in Teaching English as a Second Language from Teachers College, Columbia University, an MA from Columbia University and a BA from Barnard College.

Marjorie Fuchs

Marjorie Fuchs has taught ESL at New York City Technical College and LaGuardia Community College of the City University of New York and EFL at the Sprach Studio Lingua Nova in Munich, Germany. She holds a Master's Degree in Applied English Linguistics and a Certificate in TESOL from the University of Wisconsin-Madison. She has authored or co-authored many widely used ESL textbooks, notably On Your Way: Building Basic Skills in English, Crossroads, Top Twenty ESL Word Games: Beginning Vocabulary Development, Around the World: Pictures for Practice, Families: Ten Card Games for Language Learners, Focus on Grammar: An Intermediate Course for Reference and Practice, Focus on Grammar: A High-Intermediate Course for Reference and Practice, and the workbooks to the Longman Dictionary of American English, the Longman Photo Dictionary, The Oxford Picture Dictionary, and the Vistas series.

Miriam Westheimer

Miriam Westheimer taught EFL at all levels of instruction in Haifa, Israel, for a period of six years. She has also taught ESL at Queens College, at LaGuardia Community College, and in the American Language Program of Columbia University. She holds a Master's Degree in TESOL and a doctorate in Curriculum and Teaching from Teacher's College of Columbia University. She is the co-author of a communicative grammar program developed and widely used in Israel.

Margaret Bonner

Margaret Bonner has taught ESL at Hunter College and the Borough of Manhattan Community College of the City University of New York, at Taiwan National University in Taipei, and at Virginia Commonwealth University in Richmond. She holds a Master's Degree in Library Science from Columbia University, and she has done work towards a Ph.D. in English Literature at the Graduate Center of the City University of New York. She has contributed to a number of ESL and EFL projects, including Making Connections, On Your Way, and the Curriculum Renewal Project in Oman, where she wrote textbooks, workbooks, and teachers manuals for the national school system. She authored Step into Writing: A Basic Writing Text, and co-authored Focus on Grammar: An Intermediate Course for Reference and Practice, Focus on Grammar: A High-Intermediate Course for Reference and Practice, and The Oxford Picture Dictionary Intermediate Workbook.

Jay Maurer

Jay Maurer has taught English in binational centers, colleges, and universities in Portugal, Spain, Mexico, the Somali Republic, and the United States. In addition, he taught intensive English at Columbia University's American Language Program. He was also a teacher of college composition and literature for sixteen years at Santa Fe Community College and Northern New Mexico Community College. He is the co-author of the three-level Structure Practice in Context series, co-author of the five-level True Colors series, and co-author of the True Voices video series. Currently he writes and teaches in Seattle, Washington. Focus on Grammar: An Advanced Course for Reference and Practice, has grown out of the author's experiences as a practicing teacher of both ESL and college writing.

Basic level authors: Irene E. Schoenberg, with new material from Samuela Eckstut
Intermediate level authors: Marjorie Fuchs and Miriam Westheimer with Margaret Bonner
High-Intermediate level authors: Marjorie Fuchs and Margaret Bonner
Advanced level author: Jay Maurer