The Moveable Feasts, Fasts, And Other Annual Observances Of The Catholic Church is a book written by Alban Butler in 1775. The book is a comprehensive guide to the various religious observances and celebrations of the Catholic Church throughout the year. It includes information on the moveable feasts, such as Easter and Pentecost, as well as the fixed feasts, such as Christmas and All Saints' Day. The book also covers the various fasts and penitential...