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Hardy Boys Books Lot Hidden Harbor Mystery Mark on the Door Franklin Dixon 1930s
$16.00
$20.8
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Vintage Hardy Boys Mystery Stories lot featuring The Hidden Harbor Mystery and The Mark on the Door by Franklin W. Dixon. Published by Grosset & Dunlap, these tan cloth hardcover editions include the classic orange illustrated endpapers and black-and-white frontispiece illustrations. The Hidden Harbor Mystery is volume 14 and The Mark on the Door is volume 13 in the series, both showcasing the iconic silhouette cover art and dark top-stain edges typical of mid-century printings. These collectible children's adventure novels maintain their structural integrity with firm bindings and clean internal pages, perfect for a nostalgic library or a young reader's collection.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.