The Works of John Locke, Volume X
John Locke
Web App Development and Real-Time Web Analytics with Python
Tshepo Chris Nokeri
R Markdown: The Definitive Guide
Yihui Xie & J. J. Allaire & Garrett Grolemund
Category Theory in Physics, Mathematics, and Philosophy
Marek Kuś & Bartłomiej Skowron
Microsoft Excel Functions Quick Reference
Mandeep Mehta
Pale Blue Dot
Carl Sagan