The set text is:
How to Teach English by Jeremy Harmer,
published by Pearson Longman - 2007 edition with DVD.
Other books that will be referred to occasionally, and that will be useful for your essay, are:
An Introduction to Foreign Language Learning and Teaching by Keith Johnson,
published by Pearson Longman 2001
Teaching English as a Second or Foreign Language by Marianne Celce-Murcia,
published by Heinle & Heinle 2001
published by Heinle & Heinle 2001
A Practical Handbook of Language Teaching by David Cross,
published by Pearson Education 1999
Introduction to Teaching English by Jill Hadfield & Charles Hadfield,
published by Oxford University Press 2008
Learning Teaching by Jim Scrivener,
published by Macmillan 2005
A course in Language Teaching by Penny Ur,
published by Cambridge University Press 1996
Learning to Teach English by Peter Watkins
Published by Delta Publishing 2005