well i found this posted on another web board so many of you may have seen this site but just incase someone hasnt http://www.yaxoo.com/books/ they've got a lot of stuff there to read through
PDFs r0x0r j00. I got an O'Reilly JDBC book on PDF today, and printed it out in the school library. A 600 page book, free. Well... not for the state of Colorado