The purpose of developing this Zahir Accounting manual book is to find out how the Zahir Accounting manual book affects the learning outcomes of students taking computer accounting courses. The average student score after the application of Zahir Accounting manual book in learning computer accounting, obtained an average score of 87.62. Thus, after using Zahir Accounting manual book, the score obtained by the students increased significantly. The correlation that occurs during Computer Accounting lectures both before and after Zahir Acounting manual book is 0.776. While in Table 5, shows that the Sig. (2-tailed) value of 0.013 < 0.05 which indicates a significant difference both before and after the use of Zahir Acounting manual book. Keywords: Zahir Accounting, Manual Book, Accounting Learning