Insert a blank CD in CD ROM drive and click on the My Computer Icon on your desktop and navagate to your C drive, double click on your NV folder. You should see the a folder that pertains to the name of your books. Right mouse click on the folder and click copy. Navagate to your CD rom drive and on the white back ground representing the drive contents roght mouse click paste. A copy of the folder from your NV folder will appear. Click File > Burn. You will now have a backup on your CD.
If you cannot get the sharing to work on your system then try one of the third party printing programs mentioned above.