What are some things I should bring on a plane to keep me ...

I have plenty of books, and IPod and a Gameboy. My bag feels a little empty though. I have a 1 hour flight to Atlanta, then a 5-7 hour (I don't know) flight to Costa Rica. Then, when we get back, we have to spend like 5 hours in Atlanta until we fly back to ... We got a great "all inclusive deal" (flight, hotel, food, etc) for six days -- only $1000 per perso... Going to Costa Rica. How much money should I bring? (11) I'm going to Costa Rica with my school, next spring. ...