The Boscombe Valley Mystery
Arthur Conan Doyle
Secret Intelligence
Christopher Andrew & Richard J. Aldrich & Wesley K. Wark
Zeitdiagnosen
Jürgen Habermas
Infinity: A Very Short Introduction
Ian Nicholas Stewart
Toward a Rational Society
The Riemann Hypothesis and the Distribution of Prime Numbers
Naji Arwashan
An Introduction to Fuzzy Sets
Valdemar F. Andersen
Encyclopedia of Oceania (3 Volume Set)
Cory T. Meadows