This missal, prepared in accordance with the revised lectionary, will assist people in using the authentic sources of Christian piety and in sharing fruitfully in the central mysteries of Christian faith. Active sharing in the liturgy is the primary and indispensable source of the Christian spirit and this book will assist in fostering a right understanding and a full conscious participation in the liturgy by all who use it. It will also provide a valued source for prayer and reflection in preparation for the Sunday liturgy and for personal prayer as well.