Derrick Niederman is a mathematician turned investment writer. He is the author of several books on numbers and finance, including What the Numbers Say and The Inner Game of Investing. He has written a series of puzzle books and is regular contributor of crossword puzzles to the New York Times.
'A fun book... definitely challenging' -- Vanity Fair. 'All sorts of fascinating mathematical minutiae.' * Time Out, Chicago * 'A great maths book for geeks and non-geeks alike' -- Johnny Ball. 'A fascinating parade of diverse numerical characters... An entertaining mix of numerical fun and theory.' * Booklist * 'There's more to maths than just numbers - but, as this entertaining and engaging book amply demonstrates, the depth and variety of mathematical ideas that appear when you start with 1, 2, 3 and keep going is astonishing. Once you start reading 'Number Freak' it's just like the number system itself - impossible to stop.' * Ian Stewart, author of 'Professor Stewart's Cabinet of Mathematical Curiosities' * 'This book is a complete joy. It made me smile. A lot.' * Carol Vorderman *