Co-authored by
The Most Rev. Aldo di Cillo Pagotto, SSS (Archbishop of Paraiba, Brazil)
The Most Rev. Robert F. Vasa (Bishop of Santa Rosa, California)
The Most Rev. Athanasius Schneider (Auxiliary Bishop of Astana, Kazakhstan)
With a preface by His Eminence
Jorge Arturo Cardinal Medina Estevez
Prefect Emeritus of the Congregation for Divine Worship
