The Joy of X: A Guided Tour of Math, From One to Infinity
Steven Strogatz
Social Network Analysis: Theory and Applications
Wikipedia
Beating the System:Using Creativity to Outsmart Bureaucracies ...
Russell Lincoln Ackoff & Sheldon Rovin
Christians, Gnostics and Philosophers in Late Antiquity
Mark Edwards
Early Greek Philosophy
Various
Differential Equations and Numerical Analysis
Sven-Åke Gustafson & R. S. Womersley
Springer Proceedings in Mathematics & Statistics (172)