Sacred Geometry Oracle: Become the Architect of Your Life
John Michael Greer
Nonmonotonic Reasoning: Logical Foundations of Commonsense
Gerhard Brewka
Limits, Limits Everywhere: The Tools of Mathematical Analysis
David Applebaum
Concrete Mathematics: A Foundation for Computer Science
Ronald L. Graham & Donald Ervin Knuth & Oren Patashnik
Protocols of the Meetings of the Learned Elders of Zion
Victor E. Marsden
Mathematical Reasoning: Writing and Proof, Version 2.0
Ted Sundstrom
Mathematical Reasoning: Writing and Proof - Version 1.1