The Philosophy of Friendship
Mark Vernon
Crusades
Nikolaos Chrissis
Knowledge Representation and Defeasible Reasoning
Henry E. Kyburg Jr. & R. P. Loui & G. N. Carlson
The Origins of Order: Self-Organization and Selection in Evolution
Stuart A. Kauffman
Teaching Mathematics Online: Emergent Technologies and Methodologies
Angel A. Juan & Maria A. Huertas & Sven Trenholm
The Case Against Impeaching Trump
Alan M. Dershowitz