Bertrand Russell wrote that mathematics can exalt "as surely as poetry". This is especially true of one equation: ei(pi) + 1 = 0, the brainchild of Leonhard Euler, the Mozart of mathematics. More than two centuries after Euler's death, it is still regarded as a conceptual diamond of unsurpassed beauty. Called Euler's identity, or God's equation, it includes just five numbers but represents an astonishing revelation of hidden connections.

Whether he was introducing the latest iPad or delivering a keynote presentation, Steve Jobs electrified audiences with his incomparable style and showmanship. He didn’t just convey information in his presentations; he told a story, painted a picture, and shared a vision. He gave his audience a transformative experience that was unique, inspiring, and unforgettable. Now you can do it too, by learning the specific techniques that made Jobs the most captivating communicator on the world stage.

In this encore to his classic 1987 unauthorized biography of Steve Jobs (Steve Jobs: The Journey is the Reward), Jeffrey Young examines Jobs' remarkable resurgence, one of the most amazing business comeback stories in years.

This is a fascinating introduction to the history of Western astronomy, from prehistoric times to the origins of astrophysics in the mid-19th century. Historical records are first found in Babylon and Egypt, and after two millennia the arithmetical astronomy of the Babylonians merged with the Greek geometrical approach to culminate in the Almagest of Ptolemy. This legacy was transmitted to the Latin West via Islam and led to Copernicus's claim that the Earth is in motion.

The concept of law lies at the heart of our social and political life. Legal philosophy, or jurisprudence, explores the notion of law and its role in society, illuminating its meaning and its relation to the universal questions of justice, rights, and morality. In this Very Short Introduction audiobook, Raymond Wacks analyzes the nature and purpose of the legal system and the practice by courts, lawyers, and judges.