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. The scriptural justification of each sacrament is given and patristic witnesses are also cited. The spiritual benefits and significance of the various sacraments are also discussed and the reasons for their necessity are given and the actual mystery itself is described. This book is a very useful resource for members of the Church seeking to better understand its faith and practice. It is also a sure guide for students of the Syrian Orthodox Christianity who wish to familiarize themselves with the Syrian Orthodox tradition.