What is the sun really made of? How hot is it on the inside? And will it ever run out? Let solar physicist Professor Lucie Green take you on a journey to discover what the sun is, how it works and why we are only now discovering how it explains some of our universe's greatest mysteries. Along the way we will meet Galileo, Halley, Newton and a host of other explorers who teased out the sun's secrets from a distance of 90 million miles. The story of the sun is our story - of how a giant ball of light and heat made all life on Earth. Packed full of fascinating facts and exciting discoveries about our home star, 15 Million Degrees is a book brimming with brilliance - just like the sun. ' Comprehensive, wide-ranging. Green's passionate enthusiasm shines through on every page . An engaging, personal insight into contemporary solar research. An outstanding and eminently readable book' Astronomy Now 'A bright prism of a book that casts light on the whole of physics.

Fascinating and eye-opening' Ben Miller 'There is so much packed into this book. Huge enthusiasm [and] vitality to Green's writing' Spectator 'Tells a luminous story with a light touch' Tim Radford, Guardian.