An retired bishop in Argentina, age 92, Most Rev. Juan Rodolfo Laise, O.F.M.Cap. has a book:
HOLY COMMUNION Communion in the Hand: Documents & History – Some Reflections on Spiritual Communion and the State of Grace – 2018 218 pages hardcover $18.00
US HERE – UK HERE
Here is something from the Preface by the great Bishop Athanasius Schneider, who has recently been told by the Holy See that he shouldn’t travel so much (in other words, his messages while traveling were inconvenient so he should ‘shut up’).
From the Preface of Bishop Schneider: “The Church in our times has the urgent need of courageous

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