Books by Nevil Monroe Hopkins
The outlook for research and i
The outlook for research and invention
The outlook for research and invention, with an appendix of problems awaiting solutions
Over the threshold of war
The Raccoon Lake mystery
The Raccoon Lake mystery
The strange cases of Mason Bra
The strange cases of Mason Brant
Model engines and small boats
Twentieth century magic and the construction of modern magical apparatus
The investigation at Holman Sq
The investigation at Holman Square