Margaret Thatcher Autographed Book: The Downing Street YearsAttractive Margaret Thatcher, British Prime Minister, signed memoir. A first edition (NY: HarperCollins, 1993) signed copy of The Downing Street Years by Margaret Thatcher. A hardcover copy with dust jacket of 914 pages, measuring 6. 5 by 9. 5. Signed on title page in blue, felt tip pen by Margaret Thatcher. In fine condition. Margaret Thatcher, born in Grantham, Lincolnshire as Margaret Roberts in 1923, was the longest serving British Prime Minister