"The chalice of benediction which we bless, is it not the communion of the blood of Christ? And the bread which we break, is it not the partaking of the body of the Lord? For we, being many, are one bread, one body: all that partake of one bread." (1 Cor 10:16-17)
Mark Shea's masterpiece on the Immaculate Conception
Few contemporary writers I know can lay it down as clearly for modern readers as can Mark Shea. Here is his latest, presented not only as a clear explanation, but one that addresses Evangelical misunderstandings.