Randall Munroe describes xkcd as a webcomic of romance, sarcasm, math, and language. While it's practically required reading in the geek community, xkcd fans are as varied as the comic's subject matter. This book creates laughs from science jokes on one page to relationship humor on another. xkcd: volume 0 is the first book from the immensely popular webcomic with a passionate readership (just Google xkcd meetup). The...