In a world where anyone can publish online, who is to know if that information is credible. Questia solves this problem by being the trusted name in online research. Questia's growing library offers 77,000 copyrighted books and 4 million articles. Questia is available 24/7 and provides a user friendly interface to read, store, organize and manage work. Questia offers monthly, quarterly and yearly plans to coincide with school semesters.