Mathematics and plausible reasoning, volumes 1 and 2
György Pólya
The-Democracy-Pla[..] Preventing-and-Re[..]
Norman Eisen
The Parasitic Mind: How Infectious Ideas Are Killing Common ...
Gad Saad
John Locke: Essay über den menschlichen Verstand
Udo Thiel
The Oxford Handbook of Wisdom and the Bible
Will Kynes
Oxford Handbooks (1)
The Idea of Freedom - Volume 2
Mortimer Jerome Adler