The book Missionary Survey as an Aid to Intelligent Cooperation in Foreign Missions by Roland Allen and Thomas Cochrane is a valuable source of information for those interested in missionary work. The authors pay attention to important aspects of such work, such as psychological preparation, studying missionaries, choosing the right direction of missionary work, and much more. Their research contributes to a better understanding of the essence and meaning of missionary work, contributing to the proper coordination of efforts in this field. This work will be useful both for professional missionaries and for those who are interested in missionary work as a socio-cultural phenomenon.