"The "Danish coziness" philosophy is fast becoming the new "French living" in terms of aspirational lifestyle books and blogs. There are countless viral articles comparing the happiness levels of Americans versus Danes. Their homes are more homey; their people are more cheerful. It's an attitude that defies definition, but there is a name for this slow-moving, stress-free mindset: hygge (pronounced "hoo-ga"). Hygge values the idea of cherishing...

The whole world wants to learn the secrets of Nordic exceptionalism: why are the Danes the happiest people in the world, despite having the highest taxes? If the Finns really have the best education system, how come they still think all Swedish men are gay? Are the Icelanders really feral? How are the Norwegians spending their fantastical oil wealth? And why do all of them hate the Swedes? British author Michael Booth has lived among the Scandinavians,...