Unity 2018 by Example: Learn About Game and Virtual Reality ...
Alan Thorn
Grove's dictionary of music and musicians
Fuller-Maitland, J. A. (John Alexander), 1856-1936
The Scrum Guide
Ken Schwaber
Democracy – the God That Failed: The Economics and Politics ...
Hans-Hermann Hoppe
Differential Geometry: Riemannian Geometry - Part 3
Shing-Tung Yau & Robert Everist Greene
Crystallizing Public Opinion
Edward L. Bernays