The Clue of the Broken Locket and The Message in the Hollow Oak: Nancy Drew Mystery Stories, 11 and 12
$20 · Offered by Between the Covers
New York: Grosset & Dunlap, (circa1972). Hardcover. Reprint, twinsie edition. Illustrated cloth. Foxing on page edges, spine a touch age-toned and slightly cocked, very good lacking the dust jacket. Two stories bound into one volume. More
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.