About the authors

Angela Blackwell is an author, teacher, and teacher trainer with more than twenty years of international ELT experience. Together with Therese Naber, she is the author of the English KnowHow Student Books. She is also the author of Workbook 2 and co-author of Workbook 3 from the Grammar Sense series published by Oxford University Press. Her credentials include an R.S.A. / University of Cambridge diploma in TEFLA and an MA in TESOL from San Francisco State University.

Therese Naber is an author, teacher, and teacher trainer with extensive international ELT experience. Together with Angela Blackwell, she is the author of the English KnowHow Student Books. She is also the co-author of Impact 1 & 2, an exam preparation course published by Oxford University Press for upper secondary students in Spain. Her credentials include an R.S.A. / University of Cambridge Diploma in TEFLA and an MA in TESOL from the Institute of Education at the University of London.