Stalin, like Hitler, remains the very personification of evil but also one of the creators of today’s world. Now in an enthralling biography that reads like a thriller, Simon Sebag Montefiore unveils the shadowy, adventurous journey of the Georgian cobbler’s son who became the Red Tsar. * * * What makes a Stalin? Was he illegitimate? Was his mother whore or saint? Was Stalin a Tsarist agent or Lenin’s chief gangster? Was his most notorious heist planned during his stay in London? Was he to blame for his wife’s death? If he really missed the 1917 Revolution, how did he emerge so powerful? Born in poverty, scarred by his upbringing, exceptional in his studies, this charismatic but dangerous boy was hailed as a romantic poet and trained as a priest but found his mission as...