Teaching Thinking
Edward de Bono
Managing to Learn: Using the A3 Management Process to Solve ...
John Shook
The Doors of Perception
Aldous Leonard Huxley
Philosophy Bites Back
David Edmonds & Nigel Warburton
Complete Works of Charles Kingsley (Delphi Classics)
Delphi Classics & Charles Kingsley
Delphi Series Four (25)
Nightfall
Isaac Asimov & Robert Silverberg