Jean Piaget
Richard Bailey & Richard Kohler
Mathematical Logic and Computation
Jeremy Avigad
The Ghost in the Machine
Arthur Koestler
Collected Works of Paul Klee (Delphi Classics)
Paul Klee
Delphi Masters of Art (20)
Restful Web API Patterns and Practices Cookbook
Mike Amundsen
Muhammad Prophet for Our Time
Karen Armstrong
Becoming Historians
James M. Banner Jr. & John R. Gillis
Ivan Illich in Conversation: The Testament of Ivan Illich
David Cayley