Ruby Bose is a teacher at The Heritage School, Kolkata. She has nearly two decades of experience of teaching English. Safa Abdul Razak has an MPhil in Linguistics from English and Foreign Languages University, Hyderabad. She has been a versatile teacher trainer for over a decade. Renu Viswanath, the Series Editor, is the former headmistress of Mothers International School, New Delhi, with over two decades of teaching experience.