"Much-needed analysis of a sinister sibling rivalry" - Marie Macpherson, author of 'The First Blast of the Trumpet' Mary Queen of Scots is one of history's most famous monarchs. A sovereign almost from birth, her life has been subject to intense scrutiny. So too have her relationships, from those she shared with her three husbands to that with the sixteenth-century's other famous queen, her cousin Elizabeth. There remains, however, a relationship...