Personal Security Products Diversion books are the perfect way to store guns or other valuables away from prying eyes. Left on a shelf with other books, no one will ever be able to judge these books by their cover! Set of two allows you to keep nearly any size firearm tucked quietly away, yet close at hand. Or use one for a gun and the other for jewelry or extra cash. The large book easily fits most full-sized handguns. While the small book is suited for small to medium firearms. Large Book: 8″ x 10.5″ x 2.75″, Small Book: 6.25″ x 8.25″ x 2″.