.VBK file extension

This is the basic program to work with .VBK extension

VitalSource Bookshelf

VitalSource Bookshelf VitalBook file

VitalSource Bookshelf is a simple program that lets you download and read e-textbooks purchased from the VitalSource Store. It comes with useful tools, such as annotations, text-to-speech, bookmarking, and font customization. Bookshelf always saves your settings and syncs your notes across all your devices... (more)

The program works with the following extensions: vbk

.VBK extension is also supported by the following program:

vitalsource KEY

vitalsource KEY VitalBook file