his study aims to determine the validity and the practicality of the learning media developed in the form of a digestive system e-book for teachers and students of class XI science at SMA Negeri 10 Palembang. The sample for the trial was students of SMA Negeri 10 Palembang as many as 50 students of class XI science. This development research uses the ADDIE development model (Analysis, Design, D…