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After six months of scientifically advanced training, three of the world's most elite distance runners set out to break the two-hour marathon barrier. These pioneers go on a global trek to defy the unthinkable and break the two-hour feat, from testing in wind tunnels and running labs in the United States, to balancing training with their day-to- day lives in eastern Af...。Our Queen at war reveals how Princess Elizabeth's wartime experiences prepared her for the longest and most successful reign in British history. From looking after evacuees to making radio broadcasts, from starring in pantomimes to joining the armed forces - over five years Princess Elizabeth graduated from innocent child to Queen-in-waiting. Royal biographer Robert Lacey| "whe...。