Yeah, seems like the series is also called Anne of Green Gables, as well as the first book. (Wikipedia doesn't have a page for the series, but it's mentioned in the infobox on the right.)
Do the same thing we do with authors. A tag for the series, and a tag for specific books. If your question is about the series as a whole, use the series tag. If your question is about a specific book, use both the series tag and book tag.
In the case where the names overlap, you can use someth...
Do these tags do harm?
Unlike very broad tags like short-stories, individual book tags will hardly be abused. In fact, they will considerably improve the process of searching, especially for prolific writers.
Think about it: Stephen King has written 54 novels. Surely, some people are expert in...
The Rithmatist is a book (first in a planned series by the same name) by Sanderson. Who exactly is "the" Rithmatist referred to by the title? The school that is the main setting for the book has a dedicated program for Rithmatists, which most of the characters are connected to, so it's not as if ...
In Fitzgerald's This Side of Paradise, we have this passage:
MRS. CONNAGE: The poor boy looks so miserable every time he comes.
ROSALIND: That was one of those romantic, pre-battle affairs. They’re all wrong.
MRS. CONNAGE: (Her say said) At any rate, make us proud of you to-night.
I have no ide...
Right, found it. Both Gallifreyan's and my answers to this question advocate using only the series tag when there is one, not creating tags for individual books in a series.