the BEST C book is "the C Programming language" and that dates back to the 70's
there is a C++ book by the same authors- exceptional as well- I believe it was the mid-eighties.
I wouldn't worry too much about copyrights, at least as far as programming languages go.
if it was a C# book I might say otherwise, but C++ has been pretty much unchanged for quite some time.
EDIT: oopss, by copyrights, I mean dates, heh.