"Handbook of the Mother Church First Church of Christ the Scientist in Boston, Massachusetts" is a publication created by American writer and religious leader Mary Baker Eddy. This book is a kind of manual for believers and ministers of the Church of Christ the Scientist, which contains important instructions about the dogmas of this Christian denomination. It contains the main principles of church teachings, rituals and practices that are important for the life of believers. The book is filled with spiritual instructions and wisdom that help to understand the essence of faith and its role in human life. The Mother Church Handbook is an important source of spiritual support and guidance for anyone seeking a deeper understanding of the Christian faith.