http://www.elcorteingles.es/libros/producto/libro_descripcion.asp?CODIISBN=8434507617
From El Corte Ingles. I made a search for "Seattle" on their website and got 3 results, this book is the only guide of those 3.
There's plenty of bookstores (librerias) all over the place where you can probably get more variety. Maybe some of the local madrileños can help with locations...