Before Einstein, how the universe began was a question for theologians, not scientists. Over a century later, we know much more, but not enough to do more than guess at what happened at the moment of the Big Bang and immediately after. Astrophysicist Dan Hooper, author of At the Edge of Time—a book that explores dark energy, dark matter and other things we don't yet understand—talks us through books about the Big Bang, and questions whether our entire understanding of the universe is about to be turned upside down.

Whatever modern leadership books may say about what's required to be a good leader, for the ancients there was only one vital requirement: studying philosophy. Jeffrey Beneker, Professor of Classics at the University of Wisconsin-Madison, talks us through what ancient biographies reveal about how to be a leader.

The World According to Physics, theoretical physicist Jim Al-Khalili's latest book, is his "ode to physics". Here, he talks us through the books that inspired his passion for physics, in an updated interview with Five Books.

We live in a society where it's vital to have a good grasp of economics, but that doesn't mean you need an economics degree to understand what it's all about. Australian economist John Quiggin, author of Economics in Two Lessons, recommends books for learning about economics, all accessible to the general reader, and tries to dispel some of the myths about what it is professional economists do.

The urgency of the challenges facing society has led to a wonderful supply of books by leading thinkers on a variety of pressing topics. Economist Diane Coyle, a professor at the University of Cambridge and co-director of the Bennett Institute for Public Policy, recommends her top five economics books of 2019.

Why are so many of us fascinated by the lives of celebrities? When did interest in the dark side of celebrity become mainstream? Sharon Marcus, author of The Drama of Celebrity and a professor at Columbia University, recommends books to better understand the phenomenon of celebrity.

The unexamined life is not worth living; nature loves to hide; you can't step in the same river twice. No doubt we've all grown up hearing aphorisms, but perhaps we take their importance for granted. Andrew Hui, the author of the first full book on the theory of the aphorism, guides us through the history of the short philosophical saying from Heraclitus to Nietzsche and beyond.

The Greek historian and general Thucydides wanted his History of the Peloponnesian War "to be a possession for all time." In that, he's been remarkably successful, with his name still echoing in the corridors of power. But what lessons should we take away from his great work? Translator and classicist Johanna Hanink talks us through books to better understand Thucydides and the mythical Athens he lived in and wrote about.

What's at stake when we call a building beautiful or denounce it as ugly? MIT professor Timothy Hyde, author of Ugliness and Judgment, explores five books about the social, political and economic dimensions behind debates that often masquerade as arguments about style, but which deal with matters at the very heart of civil society.

Next time you look at your cute pooch, remember its DNA is the same as that of a wolf. José Castelló, author of the delightful field guide, Canids of the World: Wolves, Wild Dogs, Foxes, Jackals, Coyotes, and Their Relatives recommends some of the best books to read on dogs and other canids.