'The teaching assistant’s guide to effective interaction: How to maximise your practise’ by P Bosanquet, J Radford and R Webster, published by Routledge in 2015.

This book looks at the role of the teaching assistant and their work with the teacher.
NB you should be able to borrow this from your local library or it may be available online. Laser Learning is not suggesting that this book is more suitable than others available to learners. Be sure to look at a variety of books, including any mentioned in the Extended Learning section of the lesson.