If you have interest in creating comics, this book will never be a wasted purchase. Not only does it have pages like this, but it has lots of character, story, and pacing information.
All in all the best buy you could possibly make.
Making Comics by Scott McCloud
Heads galore!
Source: 360 Degree Female Photo Reference Fun site to play around. Lets you rotate the head and such.
Actually I can’t even adequately describe how fantastic this is.
This is based on the expression theory outlined in Scott McCloud’s Making Comics, which states that expressions are a little bit like colours. There’s the primary expressions, and by mixing those, you get secondary, and tertiary expressions.
Go ahead and mix your six primaries with this unique tool!
I am actually a sucker for a good expression tutorial.
And this one is superb.
Click through for the full tutorial.