If you think girl games matter, help us champion them in our magazine by backing our Kickstarter. /// For generations of women, Judy Blume’s novels are a potent symbol. To the women that read her books in the ‘70s and ‘80s they were symbols of rebellion, offering knowledge that was forbidden by adults. “I knew reading it would be an act of revolt, but I wasn’t sure who I was revolting against,” said my friend Dayna Von Thaer, a young adult novelist, remembering the time that a sympathetic librarian sneaked her a copy of Are You There God? It’s Me, Margaret…