First book: Metropolitan Opera Milestones,published by The Metropolitan Opera Guild, Inc, copyright 1944. See table of contents photo. Includes black & white photos of various opera singers in costume. Hardback 74 pages. Condition is good commensurate for it's age; some wear on corners hardback cover. All pages intact & binding is stable; sold as is. Second book: Famous Stars of Light Opera, by Lewis C. Strang, copyright 1906. Hardback has 293 pages of text plus some black & white photos of opera singers (see photo of table of contents). All pages are intact & binding is stable. Some writing on inside cover page including the original owner's signature; sold as is. Great set of books for opera & history lovers.