The book "The Boy and the Sunday School: A Guide to the Principles and Methods of Sunday School Work with Adolescent Boys" by John L. Alexander is a study that highlights the basic principles and methods of Sunday school work with adolescent boys. The author's manual provides valuable advice on raising and teaching teenagers in the context of religious education. John L. Alexander examines in detail the issues related to interaction with teenagers in Sunday school, providing specific methods and examples of working with children of this age period. The author successfully combines a theoretical approach with practical advice, which makes his manual useful both for beginners in this field and for experienced teachers. "The Boy and the Sunday School" is a must-read for those who are interested in the spiritual upbringing of teenagers and who want to improve the work of Sunday school with teenagers. The author offers readers not only theoretical principles, but also practical recommendations on how to create an effective program for teenagers within the framework of Sunday school.