If you only use non-DRMed texts (however *ahem* you get them) then you can use it like a USB memory stick and add books on that way. It's how I used it with my Mac. Once you get into the whole buying of DRM texts from Waterstones, then you have to use the Adobe software, which isn't the worlds best software either. (I believe that the Reader's OS scans the memory/memory card when you turn it on and go to the main menu which is how it picks up new stuff).