You asked: "What's with all the question marks in your title????" (I am assuming that what's with is asking what is the reason for" - asnwer I hit the ??? key 3 times! (you hit it 4 times your own self).
This is not a UNIX box - upper case is sometime used & is o.k.... (also caps lock can sometimes be changed by a simple "fat-finger" when typing near that key (on the left - near the a key).
I'd be happy to help. Your print books and ebooks are under "Your Products" on the "Your Account" on oreilly.com. If you're not seeing any of the books that you have purchased I might suggest you use a different browser or clear your cache and cookies. Hope this helps and have a great day!
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