The product is a set of three hardcover books by Christopher Paolini titled "Eragon", "Eldest", and "Brisingr". The books are all written in English and belong to the fantasy genre. Fans of the Inheritance Cycle series will enjoy this set, as it includes the first three books in the series. The hardcover format adds durability and a sense of prestige to the collection, making it a great addition to any book lover's library.