VitalSource Bookshelf

VitalSource Bookshelf let you get instant access to your eTextbooks and a full suite of study tools on any device—both online and offline. It's one of the best ebooks reader for students, with this app, you can finish your course content with smarter study tools, you can take colorful notes, you can search content across your library, and also you can look up unfamiliar words with Define and Wkipedia search.

VitalSource also helps to save your wallet,you can buy or rent eTextbooks online,it's much cheaper than physically buying the book, It's a great tool for students to enhance the learning experience.