As a work of popular science it is exemplary: the focus may be the numbers, but most of the mathematical legwork is confined to the appendices and the accompanying commentary is amusing and witty, as well as informed.

ECONOMIST: What to do?

One is that if somebody's reviewing, if a critic's reviewing an adult book, a good popular biography or work of science I'd like them to be able to say this is so interesting and so well written that children would enjoy this book as well.

BBC: News | BREAKFAST WITH FROST | Interview with Philip Pullman