Streetwise Security Book Safe Design: With an assortment of titles, this is an actual book with a cut out space inside Dimensions: The outside dimensions of the book are 9 1/2 x 6 3/8 x 1 3/4 inches. The dimensions of the inner space are 6 3/4 x 3 3/4 x 1 1/4 inches NOTE: The package title says "The Undercover Booksafe". After purchase, this sleeve should be removed so the actual book cover is displayed. Then placed along with other books on your home bookshelf