The Secret of Skull Mountain (1948, revised 1966) is the 27th installment in the iconic Hardy Boys series, a classic mid-century mystery packed with danger, hidden treasure, and sibling sleuthing. In this adventure, Frank and Joe Hardy investigate why the reservoir near Skull Mountain is mysteriously draining, threatening Bayport’s water supply. Their search leads to a smuggling ring using the mountain’s caves, a phantom hermit, and a climactic underground chase involving dynamite and a hidden river.
A nostalgic ride for fans of timeless juvenile detective fiction.
