"Craftsmanship in Teaching" by William C. Bagley is an educational treatise written in the early 20th century. This work focuses on the principles and ideals that guide effective teaching, emphasizing the importance of artistry, fidelity to the teaching profession, and the cultivation of a craft spirit among educators. The author draws from his previous works on education to present ideas that aim to inspire and guide new teachers in their professional development. The opening of the book presents a heartfelt preface that outlines the author’s ambitions to provide a practical and personal perspective on teaching principles, contrasting this with the theoretical approach of his earlier texts. Bagley emphasizes the need for teachers to maintain their youthful ideals and artistry in their work, framing education as a craft characterized by dedication, technical skill, and a commitment to service. He introduces a pledge for educators to uphold these values, setting the stage for deeper discussions on the responsibilities of teachers, the significance of mastering teaching techniques, and the importance of nurturing an idealistic approach to education. (This is an automatically generated summary.)