This is book number twelve in the Hardy Boys series. "The Hardy Boys "Footprints Under the Window" is the title of this book. This  book is in excellent condition. The cover is solid, the binding strong, and the pages are white. The back cover goes to book #57.  This book has a 1965 copyright; but the book was printed in th 1970's. It is the third incarnation of the cover since the brown covers of the 1950's. This is an excellent addition to complete YOUR collection or to invest in as a collectable.