This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I have looked for a usb library but have only found the one on SourceForge. it appears to be 5 to 7 years old, windows 64 bit platforms appear to have problems with this library, from what i have seen.