Drinking at the Movies is hilarious, irreverent and almost immediately charming. The book might seem like an innocuous compilation of comics from the cartoonist’s life, but Julia Wertz is a remarkably shrewd storyteller. More than once, you might find yourself reading a certain type of comic only for Wertz to shift the perspective just enough to see that the story is going elsewhere entirely. The book begins with a cross-country move to New York city, on…