- 2nd installment in the "Celebrating" series: an overview of liturgical theology and praxis - Written by a well-known liturgical scholar - Includes history, theology, and practical information Celebrating Liturgical Time continues the standard of scholarship set by Patrick Malloy's Celebrating the Eucharist. It is ideal for students, clergy, and church members who seek to strengthen their knowledge-and parochial practice-of liturgical timekeeping and the Daily Office.