Douglas Hofstadter

• Fluid Concepts And Creative Analogies
• Surfaces and Essences
• Surfaces and Essences
• Mathenauts
• Metamagical Themas
• Metamagical Themas: Questing for the Essence of Mind and Pattern
• Metamagical Themas: Questing for the Essence of Mind and Pattern
• Mind's I, The
• Strange Beauty
• Surfaces and Essences