Godel, Escher, Bach - An Eternal Golden Braid https://en.wikipedia.org/wiki/G%C3%B6del,_Escher,_Bach https://en.wikipedia.org/wiki/G%C3%B6del,_Escher,_Bach A f

Godel, Escher, Bach - An Eternal Golden Braid https://en.wikipedia.org/wiki/G%C3%B6del,_Escher,_Bach https://en.wikipedia.org/wiki/G%C3%B6del,_Escher,_Bach A friend of mine introduced it to me at school and we were both hooked. I recently bought it again as I wanted a copy for my kids!