In this personal memoir about life at 10 Downing Street, Sarah Brown shares the secrets of living behind the most famous front door in the world.

Sarah gave up a successful career in business to serve the country. A passionate campaigner for women and children, she mobilised over a million people through her early adoption of Twitter.

If you've ever wondered what it's like to pack for a photo call with supermodels or pause a speech in front of hundreds when the autocue fails, it's all here - from what to do when the school play clashes with a visit to the White House to what it feels like to support the man you love as he takes tough decisions to stave off global financial meltdown...

Intimate, reflective, surprising and funny,Behind the Black Doortakes us backstage to reveal what it's like to be an ordinary woman, wife and mother in extraordinary circumstances.

Sarah Brown is President of the charity PiggyBankKids and Patron of a number of charities including Women's Aid, Maggie's Cancer Caring Centres and SHINE Education Trust. She is also the Global Patron of the White Ribbon Alliance for Safe Motherhood, a member of the Global Campaign for Education's High Level Panel and an international speaker on maternal health, and women's issues. She and Gordon have two boys, John and Fraser, and she tweets at www.twitter.com/SarahBrownUK.

Sarah Brown, wife of former prime minister Gordon Brown, gives her personal account of life at number 10 Downing Street. The Sunday Times bestseller>