An electronic handheld library is disclosed that fully replaces hard copy textbooks and references, audio-visual materials, and successor instructional materials, and receives, stores, and displays other digital data in electronic form. In a single fully integrated design the handheld library meets all six of the specific requirements for a successful launch, development, and operation, specifically focusing on the real requirement; providing excellent presentation quality; possessing inherent high resistance to accidental damage; possessing inherent high theft resistance; providing protection of the source, data, user, and handheld library itself from malicious or accidental events; and providing affordability equal to or better than the objects replaced. Compared to what it replaces, it provides significant advantages for institutional financial management and for students' health.