Ok I have look where they say to look but I camt find one of them..... I have found the ones by the Defense Against The Dark Arts and the one on the Fourth floor and the one in the paved courtyard ans extior walk way... But I can't find the last one... It say it in the transfiguration courtyard but I looked every where in there and I can't find it... So if anyone knows where it is please tell me my game is on a PSP I don't know if that makes a differice or not..