Chronicles of Narnia by C. Lewis - A wardrobe leading to the kingdom of Narnia brings four children face to face with the evil White Witch and Aslan the lion-king who leads the fight against her. (Levels T - U)
Everybody is always talking about the Harry Hermione friendship. But when I was reading the books I was just smitten with the Ron Harry friendship. It's so beautifully portrayed, it brought me to tears many times.
This Awesome Graphic Lays Out the Best Literary First Lines of All Time