This small book is an exposition of the mysteries (or sacraments) of the Syrian Orthodox Church by the eminent Philoxenos Dolabani. The mysteries discussed are: Baptism, the Myron, the Eucharist, penance, the priesthood, anointing the sick, and marriage.

This volume contains the liturgy for the sacrament of Eucharist according to the rite of the Syrian Orthodox Church of Antioch.