Brought to you by Penguin.

An icon of the last 50 years, Stephen Hawking seems to encapsulate genius: not since Albert Einstein has a scientific figure held such a place in our popular consciousness. In this enthralling memoir, writer and physicist Leonard Mlodinow tells the story of his friend and colleague, offering an intimate account of this giant of science.

The two met in 2003, after Stephen asked Leonard if he would consider writing a book with him. As they spent years working on A Briefer History of Time followed by The Grand Design, they forged a deep connection and Leonard gained a greater understanding of Stephen's daily life and struggles - as well as his compassion and humour. Together they obsessed over the perfect sentence, debated the physics and occasionally punted on Cambridge's waterways with champagne and strawberries. In time, Leonard was able to finish Stephen's jokes, chide his sporadic mischief and learn how the hardships of his illness helped forge that unique perspective on the universe.

By weaving together their shared story with a clear-sighted portrayal of Hawking's scientific achievements, Mlodinow creates a beautiful portrait of Stephen Hawking as a brilliant, impish and generous man whose life was not only exceptional but also genuinely inspiring.