Here comes a portable handheld scanner, you can use to scroll through the page of a book, magazine, letters, etc., to scan the contents. This handheld scanner need not be connected to a computer while you scan. Simply scanning the content stored on a microSD card that has been introduced into it.
If regular scanners have been giving some problems of analysis of thick cover of books, especially near the hinge. This handheld scanner may be a better gadget to do that, you should be able to provide a more complete and flexible exploration on a page.