From Standard Works:
LDS Books is an application designed specifically for members of the Church of Jesus Christ of Latter-day Saints.
LDS Books was created for the casual reader with simplicity in mind, but it also includes many advanced features which are briefly explained below:
Designed specifically for the iPhone and iTouch.
Works offline - All material is loaded onto your device so you don't need to be connected to the internet to use the application.
Very fast and intuitive navigation between books, chapters, and verses.