Two professors are warning in a new book that TV shows like The Big Bang Theory are emblematic of a worrying trend they call “toxic geek masculinity.” The new book Toxic Geek Masculinity in Media: Sexism, Trolling, and Identity Politics was written by Bridget Blodgett, a professor at the University of Maryland, and Anastasia Salter, who teaches classes on digital culture at the University of Central Florida.