The product is a rare and valuable book titled "The Spanish Conspiracy: Early Spanish Movements in South-West" by Thomas Marshall Green. This first edition, signed book was published in 1891 by Robert Clarke in the United States. The book is bound in leather and is an ex-library copy, adding to its historical importance and collectible value. The language of the book is English, making it a sought-after piece for collectors and enthusiasts of antiquarian books.