As Aquinasfan suggested, pick up some of these pamphlets and leave them in conspicuous places or simply hand them out to lapsed catholics.
Pillar of Fire, Pillar of Truth - Answers to Questions About the Catholic Church
Catholic Ping - let me know if you want on/off this list
What he says about the mysticism or the supernatural/spiritual aspect of Catholicism is part of its great beauty.
So many don't outsiders and/or protestants don't understand the communion of saints until it's explained to them. That we are all together, one family who pray together and are at one with the Great Trinity.
Even liberals like that! Hehe