This is an academic work on the methodology of historical research. The author wrote it at the request the academics, especially younger scholars and students. While it mainly focuses on the methodology, the views and methods presented are not merely didactic. Just like the author's previous works, the writing is unadorned and sincere, blending theory with lively and vivid examples, narratives, and discussions, which makes people both relaxed and deeply inspired. The book's insights on how to develop basic scholarly skills, how to cultivate a sense of inquiry, and how to write biographies will be a profound guide for those who want to devote themselves to an academic career.