An Introduction to Riemann Surfaces
Terrence Napier & Mohan Ramachandran
The Philosophy of Mathematics
Jaakko Hintikka
A History of Mathematical Notation. Vol II
Florian Cajori
Thales of Miletus
Patricia F. O'Grady
Western Philosophy Series (1)
Advanced Mathematical Methods for Engineering and Science Students
G. Stephenson & P. M. Radmore
Further Programming for the ZX Spectrum
Ian Nicholas Stewart & Robin Jones
Easy Programming for the ZX Spectrum
Seven Years of Manifold, 1968-1980
Ian Nicholas Stewart & John Jaworski