This chapter presents the analysis of the writing styles and readability of Nation Junior Magazine features. The writing styles analysis begins with the result of the familiar and unfamiliar words contained in the selected samples. Then, the styles of sentence structures are discussed. Next, the readability analysis of the samples on word length, sentence length, Reading Ease score, and description of style are also described. At the end of this chapter, it will be presented the results of the reliability of the styles of writing and readability as well. The results of this study are presented in the form of descriptive statistics and tables. The presentations of the use of familiar and unfamiliar words, which are the result of the first purpose,are presented by table 3-5. the style of sentence structure analysis are also presented by table 6 in order to show the finding of the second purpose. Table 7-12 will be illustrated the analysis of readability measurement which is the third purpose of this study. In addition, the result of the reliability are shown in Table 13 and 14