Money and the Early Greek Mind: Homer, Philosophy, Tragedy
Richard Seaford
The Science of Radio
Paul J. Nahin
Philosophy of Geometry From Riemann to Poincaré
Roberto Torretti
The Next 100 Years
Dennis Cramer
Scrum and XP from theTrenches. How we do Scrum
Henrik Kniberg
CK-12 Geometry
Ck-12 Foundation