The Joy of X: A Guided Tour of Math, From One to Infinity
Steven Strogatz
Linear Topological Spaces
John L. Kelley & Isaac Namioka
The Turning Point in Philosophy and R. Carnap
Moritz Schlick
Computeralgebra: Eine algorithmisch orientierte Einführung
Wolfram Koepf
Ask Peter Kreeft: The 100 Most Interesting Questions He's Ever ...
Peter J. Kreeft
Basic Concepts of Ancient Philosophy
Martin Heidegger