Whenever I’m in the YA or Intermediate section of a bookstore or library trying to find potential Girls Underground stories, I’ll usually check out anything with a girl’s name in the title. There’s a good shot it will be what I’m looking for. At the very least, it indicates that a girl is the protagonist. Here are the Girls Underground books I’ve covered so far which use this convention (although some might not immediately seem like names):

And of course, anything that simply refers to a “Girl” also bears investigation: