Apple's line of iBook laptops was intended for the consumer and educational markets. The iBook line comprises of the iBook G3 Clamshell, G3 12", G3 14", G4 12", and G4 14".
Sears sells a screw out solution for stubborn screws. you put it in a cordless drill and put the drill in reverse, put the bit into the screw and it backs it out for you. The draw back is you have to replace the screw afterward but they can be found at your local hardware store.