Make no mistake: neither the fictional character Joker, nor the film, wanda and vision costumes is an endorsement of real-world violence of any kind. A new book, written by io9 alumni Andrew Liptak, spotlights the creative, women’s wonder woman costume awesomely nerdy folks who make dressing up an art form. When I began writing, I wrote for a bunch of history magazines, and when I began writing about nerd stuff for sites like io9 and Kirkus Reviews, I was always interested in finding out more about the stories behind the stories and creators that we all appreciate.