This is currently the best and most cost-effective photo reference for heads, features, faces, expressions, angles, and different ethnicities, genders, and ages available today *in-print*. A great price & above-average quality- it's pretty easily worth getting. See also his 2nd book: Babies to Teens.
Some ideas for next edition- mainly my own preferences: more younger models- less older; white pages with white backgrounds- instead of grey pages with black backgrounds; get rid of the skull sections; get rid of the 'art inspired by' amateur art; get rid of the sequential expressions section; expand the kissing section- younger models please; and give us more of the model on pages 234-235! :)
Some of the criticisms here by others really amaze me(!). This is the *only* book of its kind available today- there's simply no competition. Sure, other photo references exist, but none with this specific content. Where else can we find so many expressions, ethnicities, and extreme angles of view? This is a tremendous help in learning to draw heads from memory. Combine this with some of the better how-to-draw type books, and it's hard to find a better value these days. Photo-reference books can sometimes be expensive!
It's unfortunate but true: some of the *greatest* photo reference books ever created seemed to quickly go out of print. Sometimes they popped back into print; sometimes they didn't. The Illustrator's Figure Reference Manual series is a great example of this, as is the Elte Shuppan Pose File series (currently a 9-volume series). Awareness seems key to their survival. It's just a simple reality: these books are intended for a very special & specific audience, and if demand for these books fades, even for the briefest of times, these books go out-of-print & then often become extremely expensive to get. I've written a few reviews for these out-of-print books, but happily *this* book is still available today. Get it while it's in-print!
Also recommended: Andrew Loomis' Drawing: The Head; George Bridgman's Constructive Anatomy & Heads, Features and Faces; Jack Hamm's Drawing the Head and Figure; Burne Hogarth's Dynamic Anatomy & Drawing the Human Head; and even How to Draw Comics the Marvel Way. Check 'em out!