Rotten Rulers gives you the lowdown on the world's most loathsome leaders.From bizarre tsars and evil emperors to crazy kings an queens, people all around the world have suffered at the hands of their rulers for centuries. Whether they're nutty or nasty, fa or foul, those in charge rarely get it right. Want to know: * Who gave the job of high priest to a donkey? * Who choked to death while eating a crow? * Who celebrated victory by eating his enemy's head? Read on for the power-crazed president who still rules from the grave and find out about the suffering slave who was ordered to collect 500 kilos of spider webs for his boss. Meet Genghis the Mongolian murderer and discover just how terrible Ivan really was. History has never been so horrible!