This document provides an example of a one-idea essay using the IQC (Introduction, Quotation, Commentary) pattern to analyze the character of Hercule Poirot in Agatha Christie's classic detective story The Murder of Roger Ackroyd. The thesis states that Poirot portrays a clever and memorable detective. The idea sentence explains that Poirot solves the crime using his "little grey cells" to remain unforgettable. When investigating the murder, Poirot alone recognizes the significance of a moved armchair, as shown by a quote he later provides. The commentary ties this quote to the thesis by noting Poirot's unique ability to observe small clues. In conclusion, Christie's