Does anyone know of any books with identical programs with one side showing a C example and the other showing the C++ equivalent? I like to be able to have an idea of the right way to do something in each as opposed to mishmashing the two.

As I know,NO

I even think this would not be very instructive at all, because if used right C++ is not just 'C with classes stuck on it'. C++ is meant for object oriented programming, which -if done right- results in a completely different approach of problems than when doing functional programming.
Of course, you could try to mimic all the features of C++ by hand (actually the fiorst C++ compilers did just that: translate C++ in C-code that mimics the approach), but these kind of programs would then be way too complex to understand and maintain.

The trcik is to use the right tool for the right job. If you want to write a "hello world" program, there is no reason to do it in C++, because it'l be much faster in C. If you want to write a component-based architecture, use C++ because it supports the problem domain better.

"I even think this would not be very instructive at all"

I suspected that what I wanted would be kind of controversial. Your view (javeree) is probably consistent with Bjarne Stroustrup who probably would not approve either. I'll just say we all learn differently.

Learning just what is the right tool for the right job to me, means seeing one attempt to use two different tools to accomplish the same task. The differences between C anc C++ are not quite as easily to ascertain as the differences between a hoe and plow.

Now that I remember, I think there was a magazine called "c/c++ journal", or something another, that did show side-by-side code listings.

The side-by-side comparison might not be a bad idea, but I wouldn't advise it. You could turn out to be a great C , but an awful C++ programmer. There might be one solution, a book from Bjarne Stroustrup: The C++ Programming Language Special 3rd Edition. It explains the main advantages of C++ , and the C++ solutions for C styles. If you read it you, won't need a side-by-side comparisons, which are sometimes wrong.
For example, I would write the "Hello,world" example, almost the same. How would you write templates in C, I'm not saying it can't be done, but it would be one wild comparison.
C++ is not strictly OO. A good C++ programmer only uses classes when there's reason. For example, in the book Stroustrup uses sturcts instead of public Classes.

But it's your choice...
I think there's a weekly journal at

www.cprogramming.com

Doh! Ignore my post. I meant to hit the new thread link, not reply to...