“Covenant: The History of a Biblical Idea” by Delbert R. Hillers is a 206-page trade paperback textbook published by Johns Hopkins University Press in 1969. This book delves into the history and significance of the covenant in the Bible, exploring its evolution and interpretation throughout the ages. As part of the Seminar in the History of Ideas Series, this book is a valuable resource for those interested in religion, history, and Christian theology, offering insights into the ancient and systematic aspects of biblical commentary.