This book is truly beautiful, physically. It's full color, tightly bound, and with a thick, shiny hard cover.
I'd highly suggested getting this copy of Y the Last Man if you do plan to read it.
I saw this one available at one of the libraries in the state I live in and picked it up for two reasons: a) it's freaking gorgeous to behold and 2) I was worried I may have missed or skipped some of Y the Last Man.
Similar to Sandman, unless you know your way around comic publications, it's hard to navigate the issues of Y the Last Man; there are just so many. In this case, there appear to be three different kinds of releases, the issues, the volumes, and then larger collections of those volumes. My neighborhood librarians even struggled with ordering these as they have two of the same pieces of Y the Last Man, just different versions of them.
I'm glad I picked this version up because I did indeed skip two of the issues. One about astronauts and one about a traveling band of actors. Both were fantastic, and added hugely to the story.
I really enjoyed both of these issues, especially the one about astronauts, and, honestly, they changed my opinion of this series. I think Vaughan knows what he's doing and knows he has all this power in his hands to pull this off...or fail miserably.
Of course, being me, I am still skeptical of this ending well, but there is a bigger bloom of hope that is spreading within me. Brian K. Vaughan is a good writer, and I trust him.