Peter M. Higgins is a Professor in Pure Mathematics at the University of Essex. He is the inventor of the Circular Sudoku puzzle type that now features in numerous newspapers, magazines and computer games. He has written extensively on the subject of mathematics, including Numbers: A Very Short Introduction (OUP, 2011) and Nets, Puzzles, and Postmen (OUP, 2007), which won the 2012 Premio Peano prize for the best book on mathematics, published in Italian.
"""The author covers an amazing amount of ground with clarity and liveliness"" --Mathematical Association of America"