“The Secret Language of Churches & Cathedrals” by Richard Stemp is a historical nonfiction book aimed at adult audiences. It explores the intricate symbolism and language found within the architecture and art of churches and cathedrals, specifically focusing on the history and significance of these buildings within Christianity. Authored by Church, Union Square & Co., the book is a first edition published in 2010 in the United Kingdom. The hardcover format includes illustrations and a dust jacket, making it a visually engaging read for those interested in religious history and architectural features of these significant structures.