* The Chronicles of Narnia: This series features several female characters, including Lucy Pevensie, Susan Pevensie, and Jill Pole.
* The Screwtape Letters: This book doesn't feature any female characters.
* Mere Christianity: This book is non-fiction and doesn't feature any characters.
* The Space Trilogy: This series includes female characters such as the unnamed girl in "Out of the Silent Planet" and the female Martian character in "Perelandra".
Please specify the book you are thinking of, and I can provide you with the name of the girl.