1959 Edition (Pictorial board 'original' issue) Grosset & Dunlap The author dedicated this Hardy Boys Mystery to "the boys and girls of Alaska" as Alaska became the 49th state during the writing of this particular book. Cover-slightly scuffed corners & tiny chips top/bottom of Spine book is in 'exceptional' condition No handwriting/marks, stamps, bends or folds within pages-End papers-bright/clean,signs of a mendable linear crack beginning inside back cover very nice Children's Collectible