Which is offering quite a large number of books for download. We’ve verified that the site is offering what looks like homemade OCR’d versions of some of our members books plus many additional SF and Fantasy titles.
If you find your own books there you may wish to notify your Spanish language publishers to let their lawyers handle the messy details.
Additionally, Megaupload (the file upload site which housed the OCR of our members’ files) has a page for reporting copyright abuse:
Follow the directions there.