The product is a hardcover book titled "Helios" by Heine Safety Boiler Co, published in 1896 by Shallcross-McCallum. This 5th edition nonfiction book in English focuses on engineering and technology, particularly in the realm of applied technology. With 187 illustrated pages, this book is intended for adults and provides valuable insights into the era of the 1800s, making it a valuable addition to any collection of historical technical literature.