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A very thought-provoking book
le 3 décembre 2001
"Flatterland" is a very thought-provoking book by Ian Stewart. It is the sequel to "Flatland". I would call it a mathematical fiction book. It is about a girl from Flatland, a 2D world. She is called Victoria Line (all women on Flatland are lines). She goes on a journey through many different dimensions and universes with a being called the Space Hopper. She learns much about math on the way.
One of my favorite universes was Platterland, a 2D hyperbolic universe. While in Platterland she learns many things about hyperbolic geometry, including that straight lines appear to be curved, squares can have five sides and five right angles, and things shrink as they get closer to the edge of the universe!
Another one of my favorite universes was Topologica, a 3D topologic universe. While there Victoria learns about topology and how two-holed doughnuts can turn into coffee cups! She also meets Moobius, a cow shaped like a Möbius strip (a 2D shape with only one side), who gives milk in Klein bottles! Klein bottles are bottles in which the top curves around and goes back into the bottle!
Throughout the book there are many funny puns, right down to the name of the main character. Victoria Line is a subway line in London! The puns go very deep. One pun is about two people called Twindledum and Twindledumber. They are named after Tweedledum and Tweedledee from Lewis Carroll's "Through the Looking-Glass"! Another character is called the Hawk King, named after Stephen William Hawking!
I really enjoyed reading this book. I highly recommend it to anyone who likes math and knows a little bit about it or just enjoys reading funny books! It helps if you have read "Alice in Wonderland" and "Through the Looking-Glass". Many of the puns come from them. This book is definitely not for young kids though, some parts were way over my head. All in all, I understood most of it-and it was great!