“Don’t let your daughter be a girly girl.”
This is something that multiple people have told me. I’ve been warned not to let my daughter dress in pink, not to show her Disney Princess movies, and to generally shelter her from the things that modern society associates with femininity. And while I can see good intentions behind that thinking, I disagree with it.
I recently wrote a novel called Conquest of Greystone Valley, which is targeted toward young adult girls. It’s a sequel to my previous novel, Greystone Valley, which I wrote before I started giving any thought toward gender politics in fiction. This time around, I started thinking about the girly girl conundrum, so to speak.
I hadn’t written Greystone Valley with gender in mind, but I was happy in retrospect that it had several strong role-models for girls. As an author, that’s a good thing – I’ve written stories that don’t pass basics like the Bechdel Test, and it’s kind of a lousy feeling to have that be your blind spot.
However, one thing I did notice about my story is that the protagonist, Sarah, was very much a tomboy. And actually, the most common way that writers make a “strong” female character is to make her more masculine. A good example in Disney films would be Merida and Mulan.
A recent study by Brigham Young University took aim at the 
Charlie Brooks 