The materials gathered together in this Study Companion are intended to stimulate study of Bah�'u'll�h's Book of Certitude, the Kit�b-i-�q�n. Shoghi Effendi called the Kit�b-i-�q�n 'Bah�'u'll�h's masterly exposition of the one unifying truth underlying all the Revelations of the past'. Bah�'u'll�h Himself stated that 'all the Scriptures and the mysteries thereof are condensed into this brief account'. The study of this important work of Bah�'u'll�h is vital to an understanding of the basic truths of our Faith. The materials gathered together in this Study Companion are intended to stimulate study of Bah�'u'll�h's Book of Certitude, the Kit�b-i-�q�n. With repeated use in classes, they have evolved over a number of years into their present form, which may be used for both individual and group study. It is intended that these notes will assist the student of the �q�n to acquire a broader vision of its fundamental themes and truths and prove a convenient point of reference for explanations not always at hand. The Study Companion includes: annotations to the �q�n major themes of the �q�n identified by Shoghi Effendi a new index to the �q�n a suggested course of study for the �q�n