High demand for some of these titles may mean that on occasion we will restrict the number of copies available to each customer, in order to give as many people as possible the chance to buy. Fast turnover may also mean that stock sells out faster than our system can update the website, so please feel free to contact us to be certain of availability. If you have any specific enquiries about signed copies, please email email@example.com. Unless otherwise noted, all books below are signed first editions in hardcover. All are in collectible condition (very good or better).