The Penguin Dictionary of Curious and Interesting Geometry
David G. Wells
Foreign Affairs
Microservices: Flexible Software Architecture
Eberhard Wolff
Google Web API: Schnell und Kompakt
Ralph Steyer
Intentional Conceptual Change
Gale M. Sinatra & Paul R. Pintrich
Analysis I
Herbert Amann & Joachim Escher
Analysis Series from Herbert Amann and Joachim Escher (1)
Analysis III
Analysis II