This product is a set of two hardcover books from the Warriors series by Erin Hunter. One book is titled "Squirrelflight's Hope" and the other is "Darkest Hour". Both books are in very good condition and were published by HarperCollins in 2004. The books are written in English and have a total of 336 pages. The genre is juvenile fiction and the topics include fantasy, magic, action, adventure, and animals (specifically cats). The dimensions of the books are 8.2 inches in length, 5.5 inches in width, and 1.1 inches in height.