This study aims at evaluating the efficiency and the effectiveness of the Math Textbook prescribed to the second secondary scientific class in Jordan . It aims at identifying the extent to which the book has achieved the objectives of the curriculum. This study has been conducted to answer the following questions: -What is the degree of achieving the educational objectives related to a Math curriculum for the second secondary class (scientific branch) measured through the students' performance in the achievement test ? - What is the teachers' and the students' assessment of the Math Textbook prescribed for the second secondary scientific class ?