D. L.

When she was suddenly given the opportunity of a new life in rural Jutland, journalist and archetypal Londoner Helen Russell discovered a startling statistic: the happiest place on earth isn't Disneyland but Denmark, a land often thought of by foreigners as consisting entirely of long, dark winters, cured herring, Lego and pastries. What is the secret to their success? Are happy Danes born or made?

It is commonly believed that the Great Depression that began in 1929 resulted from a confluence of events beyond any one person's or government's control. In fact, as Liaquat Ahamed reveals, it was the decisions made by a small number of central bankers that were the primary cause of the economic meltdown, the effects of which set the stage for World War II and reverberated for decades.

In the spirit of Steve Jobs and Moneyball, Elon Musk is both an illuminating and authorized look at the extraordinary life of one of Silicon Valley's most exciting, unpredictable, and ambitious entrepreneurs - a real-life Tony Stark - and a fascinating exploration of the renewal of American invention and its new makers.

Lyme disease is spreading rapidly around the globe as ticks move into places they could not survive before. The first epidemic to emerge in the era of climate change, the disease infects half a million people in the US and Europe each year, and untold multitudes in Canada, China, Russia, and Australia. Mary Beth Pfeiffer shows how we have contributed to this growing menace and how modern medicine has underestimated its danger.

If you cut off a spider's leg, it's crippled; if you cut off its head, it dies. But if you cut off a starfish's leg it grows a new one, and the old leg can grow into an entirely new starfish. The Starfish and the Spider argues that organizations fall into two categories: "spiders", which have a rigid hierarchy, and "starfish", which rely on the power of peer relationships.