"Fifty Key Thinkers on History" is a superb guide to historiography through the ages. The cross-section of debates and thinkers covered is unique in its breadth, taking in figures from ancient China, Greece and Rome, through the Middle Ages, to contemporary Europe, America, Africa and Australia. Various historians are covered from Herodotus to Fukuyama. Each clear and concise essay offers biographical information and a summary and discussion of the subject's approach to history and how others have engaged with it.