Further Programming for the ZX Spectrum
Robin Jones & Ian Nicholas Stewart
A Companion to the Philosophy of Technology
Jan Kyrre Berg Olsen & Stig Andur Pedersen & Vincent F. Hendricks
Definitions and Formulae in Statistics
A. K. Govil & P. B. Caulfield
Merriam-Webster's Dictionary and Thesaurus
Merriam-Webster
C.G. Jung and Paul Tillich: The Psyche as Sacrament
John P. Dourley & Daryl Sharp
The Innocents Abroad
Mark Twain