basic books/guides on multithreading programming?

[Paul Rubin]

Tripp Scott <tripps81 at yahoo.com> writes:
> which ones do you recommend? examples in any language is fine, though
> i prefer python, perl, or ruby. what i would like is guidance on what
> is thread safety, how to achieve it, what are the issues in
> multithreading programming, the global interpreter lock, and other
> basics.

There's a pretty good book called (I think) Java Threads.  I looked at it
ages ago so I don't remember too much specific from it.  Python's threading
module is sort of a subset of Java threads.