For Catholics used to the newer form of the Mass or Novus Ordo, experiencing the older form can raise a lot of questions. Why has the priest got his back to me? Why is everything in Latin? Why is there so much chant, and so much silence? How am I supposed to participate in this liturgy? How might this seemingly strange, archaic ritual be spiritually fruitful for me? This booklet has been written to answer these and and similar questions, briefly, clearly, and without polemic.How do I participate in the Traditional Mass?What do its ceremonies and prayers mean?Where did it come from? And what is the "Organic Development" of the Liturgy?What is it for? What is the place of the Traditional Mass in the Church?The booklet ends with a helpful guide to readings and resources.