The Medieval Latin Hymnal is Ruth Ellis Messenger's study of the role and significance of Latin hymns in medieval culture. The author analyzes hymns as a genre, studies their lyrical content, structure and religious significance. The book helps the reader to better understand and appreciate the specifics of medieval Latin poetry, its influence on society and the development of church music. Ruth Ellis Messenger draws attention to the importance of studying and preserving the cultural heritage and traditions that were formed in medieval times.