The book "The Boy's Voice: A Practical Guide to Training Boys' Voices for Church Choirs and Beyond" by J. Spencer Curwen is an indispensable reference for anyone interested in vocal development in children. The author describes in detail methods of voice training for boys, revealing important aspects of stage preparation, articulation and breathing. The book contains practical tips and recommendations for improving the quality of performance of musical works in a choral formation. Thanks to this book, readers will be able to better understand the importance of proper voice training and the development of vocal abilities in children, which will contribute to the creation of high-quality performances in church choirs and other collective groups.