"Training the Teacher" by A. F. Schauffler et al. is a guide on teacher training for Sunday School written in the early 20th century. This publication addresses how to effectively prepare individuals for teaching in a church setting, emphasizing the need for better teaching methods and a thorough understanding of the Bible. It outlines a structured approach to developing teaching skills and biblical knowledge, intending to enhance the quality of education within the Sunday School system. The opening of the book introduces the urgent need for improved teacher training within Sunday schools, noting that many prospective teachers require more preparation to effectively share biblical teachings. It details the organization and conduct of a teacher-training class, outlining key components such as Bible study, child psychology, pedagogy, and the environment for teaching. The authors emphasize collaborative learning among teachers, practical class structures, and the importance of ongoing support from church leaders to cultivate a thriving educational program that meets the spiritual needs of the community. (This is an automatically generated summary.)