Mysterious Adventures #6

This anthology issue contains multiple horror and mystery stories. "Ghostly Terror in the Cave and Other Stories" features a tale of Andrews' ghost haunting those responsible for a mysterious death at sea. "The Phantom of Lonesome Swamp" tells of Old Red Fishel, the sole survivor who knew the location of a million-dollar treasure in a swamp, whose ghost is disturbed when the Rickey Brothers seek the riches, encountering a supernatural phantom that guards the cursed location. Another story involves Professor Robey's experimental salt serum meant to resurrect the dead, which he tests on executed prisoners, leading to unexpected and dire consequences when the serum appears to work on a criminal named Charles.