I love using Myth (from all over the world) in the art room. You can hardly look at art history if you don't know the stories.
This summer, I read a set of books by Dan Simmon: Olympos and Illium... absolutely great. Post-apocalyptic, battle of troy, shakespeare and proust. Probably okay for older high school kids. They are making the rounds of my son's friends. I can only recommend them as good fun reads, but it would be great to include them as summer reading for juniors.
I always have a copy of Delaires (sp?) Mythology books in the room for my elementary kids to consult. Everyone looks at them.