Digital book or e-book is a digital form of a printed book containing digital information that can contain text, images, audio, video, that can be read on a computer, laptop, tablet, or smartphone. With the E-library of digital books collection provides an opportunity for content creators to more easily share information in a more interesting and interactive. Through E-Library information delivered better protected from problems like broken, wet, or missing, and simplify the process of understanding the teaching materials and easy access.