The book was written for students of IBDP Writing the Extended Essay for Chinese Literature. Authoritative basis - Guided by the IBO's outline and scoring standards of research papers, it clarifies the requirements for writing extended papers and the scoring basis.Detailed explanation - Analyze the key points and difficulties in each link of writing, provide writing methods and skills, help students plan their writing steps, and guide students on how to find and use research resources. Case commenting - Offer rich examples of student papers and reviews, and show ideas and templates for writing extended essays. Writing exercises - Think a well-designed exercise, and closely link it with various steps of essay writing.Inspire students to think and write.