[HarryT]

Originally Posted by Over

Thanks for the tips, guys.

But my screen has some fingertips, that after trying to clean, just got spread (our natural skin grease). So I though maybe I need something more than a simple dry soft cloth to clean it (if it were just for dust, that would be enough).

There are wet tissues and sprays to clean LCD screens, and I just wonder if I can use it in my Cybook. Anyone has any idea?

That's the whole point of microfibre cloths - they work superbly with greasy stains.