ms. thatcher. >> i do recall -- call her margaret until she is married. >> but authorized she did not like to talk about personal matters or dwell on her own life and somebody who's very tidy to get rid of saying so there must be some difficulties to tackle the subject even though it was authorized? >> from the historians point of view in documentary terms it was a nightmare because she wanted to throw everything away but you can do that because somebody wants to keep it she destroyed everything not to conceal secrets but she can touch tiny minded house like if she moved she would throw out the paper and it is the way she gave me access because i don't think she knew what was there talking to her sister she had no brothers and one sister she told neil lot about their childhood that had not previously been known and the vast collection of letters from margaret to burial going on through 1964. you get the complete picture from margaret's own words education, teams were lover of closed and oxford what it was like to politics there started with the world of working and industry becoming a cand

ms. thatcher -- that is what you call her. >> well margaret until ms. thatcher is what she became. >> she was somebody who didn't like to talk about personal matters. she didn't want to dwell on her own inner life. she is somebody who is tidy and god -- got -- rid of things. there must have been difficulty tackling her live. >> she is a historian's nightmare because she didn't want to throw things away. but luckily once you are prime minister the officials will keep it. the problem is earlier in her life and how you could crack this because she destroyed everything. and not because she wished to hide secrets, she is tidy and through the paper away. it was the way she gave access was key. she didn't know what was there. she had no brothers and one sister. and the sister was four years older and the sister told me a lot about their childhood which wasn't known and had a vast collection of letters from margaret to murial. so you get the complete picture in margaret's own words of her education, her teens, her love of film, and clothes and there is more abou