This research was motivated by the necessity of having student books that suit to the 2013 curriculum objectives, the characteristics of elementary school students and the characteristics of learning outcomes. The study aims to develop valid, practical, and effective elementary school student books based on thinking actively in social context. Employing a 4-D research model (define, design, development and disseminate), the data were garnered using tests, questionnaires, observations, interviews and documentation. The data from tests and questionnaires were analyzed using descriptive statistics whereas the triangulation was used to analyze the data collected through observations, interviews, and documentation. The results showed that the developed student books met the valid criteria with a final score of 85.25% (very valid). It was found that the student books are easy to use, time-saving, and useful to implement in the classroom practices. It could also enhance student learning outcomes in terms of spiritual attitudes, social, knowledge and skills with a percentage increase of 15.35%. As those books are valid, practical, and effective; they can be used as a reference for the learning activities in elementary schools.