If you move at high speed, time slows down, space squashes up, and you get heavier. Travel fast enough and you could weigh as much as a jumbo jet, be flattened thinner than a CD without feeling a thing - and live forever! As for the angles of a triangle, they do not always have to add up to 180 degrees. And then, of course, there are black holes. These are but a few of the extraordinary consequences of Einstein's theory of relativity. 

This is an audio summary of Homo Deus, a book that looks through the course of human history to predict future trends.

Between 1895 and 1898, H. G. Wells wrote five science fiction novels, which have become among the most celebrated examples of the genre. The first of these was The Time Machine, in which Wells explores not only the fascinating subject of time travel but also the potential dangers to human autonomy by the advance of civilization. Well's world-weary Time Traveller, who is the main narrator, is one of his most quirky and appealing characters.

On the last page of the Caldecott-winning book Jumanji, young Danny Budwing is seen running after his brother, Walter, with a game tucked under his arm. Now 20 years later, Chris Van Allsburg is ready to reveal what happened when Danny and Walter rolled the dice. This time the name of the game is Zathura, and the battling Budwing boys are in for the ride of their lives. Soon Zathura unleashes intergalactic challenges that require the quarreling brothers to learn how to work together as a team.

Fourth graders George Beard and Harold Hutchins are a couple of class clowns. The only thing they enjoy more than playing practical jokes is creating their own comic books. And together they’ve created the greatest superhero in the history of their elementary school: Captain Underpants! His true identity is SO secret, even HE doesn’t know who he is!