It's not often you start reading a book and within a few pages are thinking 'this is something special.' Peter Lamont writes with a distinctive style, in places verging on poetry or liturgy in the way he uses repeated sentences for emphasis. There's also something of the dance of the seven veils about the whole thing - he glides around a subject, letting the reader catch a glimpse of something interesting, but taking his time to coyly reveal things. That can be a touch irritating at times, but it certainly catches the attention. What this book isn't despite the subtitle, is a 'how to' guide, except at the most basic level. And it probably isn't about radical thinking per se either - it's more about the nature of thinking in general, and critical thinking in particular. Lamont uses various walks around bits of Edinburgh (where he lives and works), using historical connections to expose us to the nature of what we think about things and what to make of...