dana: right. there is a guy who was a cave diver who says that it is roughly 1.5 miles to get there, but it took them four hours to get through the water. they have their equipment on, but they can t see. shadow divers. it is a great book. these guys are superheroes, these divers. people who do this kind of rescue. it s an amazing story. i love looking at all of the details. they are in danger, but i think these kids are going to be okay. if you want to read a great book over the summer shadow divers. it s about people, these divers who do this life risking kind of dives. kimberly: because they re trying to save people or for fun? tom: it covers all of the diving world. guys injures a who do it