The product is a lot of 4 hardcover books from the Paladin of Shadows series by John Ringo. The books included in the lot are part of the series #3, #4, #5, and #6, published in 2006 by Baen Books. Each book features a dust jacket and is written in English. The genre of the books is Science Fiction, making them an exciting addition to any book collection for fans of the series or John Ringo's work.