This hardcover book titled "The Ecumenical Revolution" by Robert McAfee Brown is a valuable addition to any library. Published by Doubleday in 1967, this vintage book is a first edition and features special attributes that make it a unique find. The book is written in English and is intended for adult readers. The book explores the topic of ecumenism and is perfect for those interested in religious and spiritual genres. It is not personalized or signed, but it does have a narrative type of nonfiction and a publisher of Doubleday. This book is a must-have for collectors and those interested in rare finds.