A Theory of Fun for Game Design
Raph Koster
The Presocratic Philosophers
G. S. Kirk & J. E. Raven & M. Schofield
Electricity and matter
Thomson, J. J. (Joseph John), Sir, 1856-1940
Portfolios of the Poor
Daryl Collins & Jonathan Morduch & Stuart Rutherford & Orlanda Ruthven
Nicholas of Cusa on Learned Ignorance: A Translation and an ...
Cardinal Nicholas (of Cusa) & Jasper Hopkins
Nicholas of Cusa's on Learned Ignorance: A Commentary on De ...
Karsten Harries