Possibly that potent solver of difficulties, palm-oil, may have greased the bolts of his dungeon so effectively that they slipped back some dark, convenient night.
"Reminiscences of a South African Pioneer"
W. C. Scully
"That would certainly be a solver," said Easleby.
"The Chestermarke Instinct"
J. S. Fletcher
"'Fate,'" ran the first full sentence, "'has decreed that you wed a solver of mysteries.
"Philo Gubb Correspondence-School Detective"
Ellis Parker Butler