“Draw People Step By Step” Home Study Course - When it comes to learning to draw nothing beats watching someone how it is done. This is the only course I have come across where you can watch a professional artist demonstrates how to draw people.
Armed with graphite and beige paper, pencil-wielding Polish artist Krzysztof Lukasiewicz portrays famous faces. Here's a step-by-step of his drawing of George Clooney, from initial sketch to final product. And here are more examples of his finished work