Search for a readable copy online -- Inkmesh is a good ebook search engine -- like
THIS.
Download the scriptures (buy them, if you can't find s free source) you want from the sources that carry them to your computer.
Once the file is on your computer you have several options, but the one that works best for me is to copy the file from the computer to an SD card (I use an SD card reader that looks like a fat USB flash drive), then plug the SD card into the Jetbook Lite. It's best to plug the SD card in while the JBL is turned on -- that will force it to update it's library.
Once the file (or files) is on the SD card and the SD card is in the JBL, it should show up in the contents under "Books."
If you want to use a USB cable to transfer the book to the JBL, watch
this video.