From the publisher's blurb and customer reviews (on US-based amazon.com) I was expecting an enlightening book about the meaning of mathematics: something to really give you a *feel* for numbers, graphs, simple equations, and suchlike - perhaps the sort of things which mathematics courses might overlook.
However, the bulk of this book is really about people's relationship with math[s], and the kind of mistakes people can make with common, everyday numberical issues and problems. The data for this are sourced from the author's own tests of a company's employees' numeracy.
I can only imagine this work would be of practical use if you're interested in society's attitude to mathematics, or you regard yourself as *deeply* mathematically illiterate. Otherwise - if you're looking for insights into mathematical thinking - look elsewhere.