Up to 20 books are listed, in descending order of popularity at this site

Mathematical logic / Philosophy and aesthetics / Music / Gã¶del's theorem / Studies / Science / Mathematical models / Consciousness / Logic, symbolic and mathematical / Human information processing / Escher, m. c. (maurits cornelis), 1898-1972 / Gã¶del, kurt / Bach, johann sebastian, 1685-1750 / Symmetry / Metamathematics / Artificial intelligence

Logic - mathematical / Artificial intelligence: special computer methods / Mathematical logic / Philosophy and aesthetics / Music / Logic, symbolic and mathematical / Science / Gã¶del's theorem / Consciousness / Studies / Escher, m. c. (maurits cornelis), 1898-1972 / Gã¶del, kurt / Bach, johann sebastian, 1685-1750 / Symmetry / Metamathematics / Artificial intelligence