A First Course in Complex Analysis with Applications
Dennis G. Zill & Patrick Shanahan
The Problems of Mathematics
Ian Nicholas Stewart
A Mathematical Space Odyssey: Solid Geometry in the 21st Century
Claudi Alsina & Roger B. Nelsen
Essays in Political Philosophy
Robin George Collingwood
Darwin's Dangerous Idea: Evolution and the Meanings of Life
Daniel Clement Dennett
Scrum Basics
Ken Schwaber
The Scrum Guide