Legend - This book is titled "Shindan History"(神檀民史) because it is written based on the ethnicity of the Dangun people rather than following the chronological order of different countries. - It is composed in two styles: historical narrative(史談體) and enlightenment history(開化史體), and it uses both Hangul and Hanja for ease of reading. - The book emphasizes the unique spirit of the nation and the beautiful traditions passed down through generations, thereby revealing the value of the Shindan people. - The text is divided into original, supplementary, extended, and universal sections, with the original section being written first, while the others will be completed later.