Couple of Newbie Tips -
1. On the first day you get the Cybook, SAVE YOUR SYSTEM FILES off your Cybook to your computer, or some place they will be safe. You may run in to trouble and have to reformat the Cybook's hard drive and you will need the uncorrupted system files to replace the ones you delete.
2. There is a good information page here:
Cybook Gen 3 Tips and Troubleshooting