OK, here's some band-aid support in the meantime...
PPS files are Powerpoint Slideshow files that you can only use with Microsoft Powerpoint.
You can find Little Reader .cat files here:
http://forum.brillkids.com/downloads/?cat=32Just click on the DOWNLOAD buttons and they will auto-import, open up your Word Library to show the new download, and you can press QUICK PLAY, to play it back quickly!
Good luck and let us know how it goes!