Roman Catholic Resources

I've had many people tell me that Catholics are wrong, as worshiping idols (eg Mary). I think they do not, but that a Catholic explain this to me so that next time I'll know what to say Related posts:

1. I was watching TV one day and turned to the Catholic Chanel Ididen't know until then that Catholics worship I
2. If Catholics are not engaged in Idol Worship, how about Hinduism?
3. Why do some insist on accusing Catholics Consubstantiation Lutherans believe …?