The Rule of Saint Benedict was a book that was written to describe the daily schedule of work and prayer for monastic life.The Rule of Saint Benedict was written by Benedict of Nursia in AD 516.
The Rule of Saint Benedict helped the monks to improve their personal prayer life as well as helping them to have a tight bond amongst themselves.
The Rule of Saint Benedict when applied to the life of monks has the disadvantage of making them live isolated lives and make them unable to participate in community activities.
The Book of Kells would be the best option from the list in terms of a book written by an early Christian monk to describe the daily schedule of work and prayer for monastic life.
