Lot 3 Hardy Boys Hardcover Blue Books #6,15,21 Published by Grosset & Dunlap Books in good condition #6 The Shore Road Mystery copyright 1964, has residue of sticker on upper right corner of book, some of the books edges are faded, #15 The Sinister Signpost copyright 1968, some stains on back cover, couple of pages bent inside book #21 The Clue Of The Broken Blade, copyright 1970, this book has a name stamped inside cover, otherwise in very good condition, no bent or ripped pages, spine and edges of book in good condition.
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