Philip, I guess I'm a little confused. That has nothing really to do with your message and everything to do with my ongoing general state of confusion. :-) Is not the book you downloaded from Bookshare already a DAISY book? Please help me understand why you would need to recreate it in Kurzweil 10 as a DAISY file. I've done some DAISY file creation of late in K1000 Version 10, and I've even done lots of multiple bookmarks on different levels. But I don't know that I've ever taken an existing DAISY title and tried to manipulate it in K1000 Version 10. Unless my experience is wrong, I assume that the Book Port is going to look for a .opf file rather than the HTML ones, but you probably already know that, and this message is likely more maddening and frustrating than helpful. Still, if you're not inclined to give up on me, I'm willing to do whatever I can to help. Nolan