Hidden in Glass Paul Ernst Added Jun 6, 2024. Originally published Apr, 1931. Other Dimensions Mathematicians - Emotions A murder mystery set up using clever optics and some hand-waving about the fourth dimension.
Mathematical Doom Paul Ernst Added Aug 5, 2024. Originally published Jun, 1936. Geometry A detective, one Mr. Pearson, catches the crooks using a little geometry.
A detective, one Mr. Pearson, catches the crooks using a little geometry.