The evidence Beatson marshals – of constitutional strains unprecedented in modern times … – is sufficiently troubling to merit for his book a wider audience than the students, scholars and practitioners of law for whom it is principally intended … By explaining the mechanical underpinnings of the largely invisible vehicle that we call our constitution, Beatson has written a valuable manual for anyone who needs to keep it running or who simply wishes to discharge a civic duty by seeking to comprehend it.