The product is a signed hardcover textbook titled “APAPA: King Christian IX of Denmark and His Descendants” published by Eurohistory.Com in 2014. Written by Coryne Hall and Arturo Beeche, the book is a biography and reference work focusing on the genealogy and heraldry of King Christian IX of Denmark and his descendants. With a primary subject area of biography and autography, the book is a valuable resource for those interested in Danish royalty and genealogical research.