To connect your iBook G4 to an analog TV set you will need three cables:
1- Apple video Adapter:
http://store.apple.com/us/product/M9109G/A?fnode=MTY1NDA5OQ&mco=MTA4MzU2MTk
2- RCA male to RCA male cable (to connect the apple video adapter to your tv set).
3- stereo audio cable:
http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10218&cs_id=1021804&p_id=665&seq=1&format=2