The product is a vintage hardcover book titled "Danny Dunn, Time Traveler" by Jay Williams, first published in 1963 by McGraw-Hill. This illustrated novel is part of the Danny Dunn series and is suitable for children and young adults. Set in the 1970s, the story revolves around friendship and adventure, making it an engaging read for young readers. With features like being ex-library and having a library binding, this collectible book offers a nostalgic reading experience for fans of the genre.