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.
'This book is a complete joy. It made me smile. A lot' Carol Vorderman '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 it's just like the number system itself - impossible to stop' Ian Stewart, author of Professor Stewart's Cabinet of Mathematical Curiosities 'A great maths book for geeks and non-geeks alike' Johnny Ball 'A fun book... definitely challenging' Vanity Fair 'A fascinating parade of diverse numerical characters... An entertaining mix of numerical fun and theory' Booklist 'All sorts of fascinating mathematical minutiae' Time Out (Chicago)