Based on the need assassement (including instructional analysis and analyze learners and context), the supplement book of geography is necessary to be developed. This research was conducted in order to develop a supplement book for hydrosphere material that can be used as an educative learning tool for students outside geography lesson at school. Starting from the needs analysis (including learning analysis and learner and context analysis) conducted by researcher in class XI Social 3 Senior High School of Muhammadiyah 1 Ponorogo, researchers get the data as follows. The result of requirement analysis on the result of lecturer and context analysis is known the highest percentage of 34,4% students of class XI Social 3 use textbook, notes from teacher, and others as learning source to learn geography. Another learning resource that students use when studying geography is internet that is as much as 87%. This is a compelling reason why supplement book products need to be developed. The development model in this research using Dick and Carey development model. The steps of Dick and Carey model are: (1) need assessement; (2) conduct instructional analysis; (3) analyze learners and context; (4) write performance objectives; (5) develop assessement instruments; (6) develop instructional strategy; (7) develop and select instructional materials; (8) design and conduct formative evaluation of instruction; (9) revise instruction; (10) summative evaluation. In this development research, researchers only go through the ninth stage, i.e. until the stage of revision. This is because of the limited time and cost if doing until the tenth stage.