BRIEF ANSWERS TO THE BIG QUESTIONS (PB) (NEW)

We face potentially catastrophic changes here on Earth: climate change, dwindling natural resources, the threat of artificial super-intelligence. Wide-ranging, intellectually stimulating, passionately argued and infused with humour, Stephen Hawking's final book is a personal view on the challenges we face as a species, and what lies in store for the only planet on which we can live. A percentage of all royalties will go to charity.