Wittgenstein: Philosophy in an Hour
Paul Strathern
Advanced Lock Picking Secrets
Steven Hampton
Text Data Management and Analysis: A Practical Introduction ...
Chengxiang Zhai & Sean Massung
The Truth About Hungary
Herbert Aptheker
An Introduction to Riemann Surfaces
Terrence Napier & Mohan Ramachandran
An Introduction to Riemannian Geometry - Lecture Notes
Sigmundur Gudmundsson