what is a review is an account of what has been published on a topic by accredited scholars and research.Occasionally you will be asked to write one as a separate assignment (sometimes in the form of an annotated bibliograohy-see the bottom of the next page),but more often it is part of the introduction to an essay,research report,or thesis.in writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are.