Descartes on Polyhedra: A Study of the De Solidorum Elementis
Pasquale Joseph Federico
A Mathematician's Apology
G. H. Hardy
Big Debt Crises
Ray Dalio
The origin of species
Darwin, Charles, 1809-1882
Hypercomplex Numbers: An Elementary Introduction to Algebras
I. L. Kantor & A. S. Solodovnikov