I haven't read all of the Fancy Nancy books yet (and there are a lot), but my favorite part of the series is Nancy's relationship with her little sister, who is straight adorable. One of my particular favorite examples of this is in this book, we see Nancy trotting around in a pretty spectacular pair of leg warmers the entire story long, which she then gives to her little sister at the end.

Read my full review and comparisons to other books at my blog: http://shorteasywordsreviews.blogspot.com/2011/03/pink-stories-for-girls-that-youll-want.html