Colleen at Chasing Ray is spearheading a week devoted to Steampunk books! Keep checking in at her place for links to posts, and do feel free to write a post or two of your own--all are welcome to take part! (I'll be doing so myself later in the week...d.v.)
And is this not cool--dinosaurs reimagined by David Resto as classic superheros (or possibly superheros reimagined as classic dinosaurs). Here is my favorite, Wolveraptor:
You can see the whole ensemble here at io9.