Treatise on True Devotion

It is important to get the right edition of this book.  Newer editions, and by newer we mean after 1950, omit a few key points, such as the holy fast on Saturday.  The edition to the right is a reprint of the original English translation and is complete.  It is the edition Saint Louis de Montfort would want us to read and study in order to become true slaves of the Most Blessed Virgin Mary.

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