Rupert T. Gould

Marine Chronometer

2007

Mersenne's Numbers - Pamphlet

2006

The Devil's Hoof-marks

2005

The Wizard of Mauritius

2005

Oddities A Book of Unexplained Facts

2003

More Oddities and Enigmas

More Oddities and Enigmas

1974

Enigmas - Another Book Of Unexplained Facts

1929