Navigate: B2 Upper-intermediate: Workbook with CD (with key)

Caroline Krantz is a teacher and ELT writer, based in Oxford. She studied classics and modern languages at Oxford University and joined the world of EFL in 1991. She worked for two years as a teacher in Barcelona and for a further twelve years as a teacher and teacher trainer at language schools in Oxford. She began her writing career in 2005 and has authored and co-authored a number of Coursebooks, Workbooks and Teacher Resource Books for adult and upper-secondary learners. Her titles for OUP include Move On Students' Book, Solutions Advanced Workbook and Headway Teacher's Resource Books. She also writes listening tests for Cambridge ESOL.
Rachael Roberts has been an ELT teacher, trainer and writer for over 20 years, with experience in both the private and public sectors, in the UK and abroad. Her publications include General English coursebooks for adults and upper secondary, as well as coursebooks for IELTS. She holds a Cambridge Diploma in TEFLA and an MA in ELT (Distinction) from Warwick.