O Blessed Host Have Mercy On Us Author:George W. Kosicki Fr. George W. Kosicki, CSB Do you really yearn for Jesus in Holy Communion? Are you awed by the mystery of Divine Mercy in the Eucharist? For Sister Faustina, receiving Jesus in Holy Communion was "the most solemn moment" of her life. She wrote, "O what awesome mysteries take place during Mass!" In this booklet, you'll journey in Eucharistic pra... more »yer with Sister Maria Faustina of the Most Blessed Sacrament. You'll discover in more than 80 excerpts from her Diary why the Eucharist was the key to her life - and how it can transform your spiritual life today. O Blessed Host, Have Mercy on Us! is ideal for use before or after Holy Mass, or in adoration before the Blessed Sacrament.« less