The student has selected a suitable topic for the Extended Essay, investigating the reflection of interwar British society in Agatha Christie’s novels, which aligns well with the criteria for a Category 3 essay. The student effectively incorporates a range of primary and secondary sources, primarily in English, that enhance the analysis of gender roles, social class conflicts, and attitudes toward foreigners, demonstrating a strong understanding of the cultural context. The essay maintains a clear focus on the primary texts while integrating relevant literary terminology and secondary sources to support the arguments without overshadowing the primary analysis. The student's vocabulary is precise, and the communication is clear, with correct grammar and an appropriate academic tone throughout the essay.