And if you're interested in Higher Level Languages, which generally means Dynamic ones, I suggest Ruby or Python. Ruby and Python each have decent documentation on their sites, as well as Python having Dive into Python, which is basically a book but also hosted online at:

http://www.diveintopython.org/

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Livewire Wifey: Katie :D
Windows, For when you don't know any better.
Mac, for when you think you do.
Linux, for when you actually want to get something done.