(Cover) - EN Showbiz - Angelina Jolie is considering writing her memoirs, and wants to use the book to promote the joys of raising adoptive kids.

The actress raises six children with her partner Brad Pitt, adopted Maddox, nine, Pax, seven, and five-year-old Zahara and biological kids Shiloh, four, and two-year-old twins Knox and Vivienne. She loves being a mother, and has spoken openly about how much becoming a parent has changed her.

Angelina is now said to be contemplating writing an autobiography, and is rumoured to have been offered $20 million for the tome. She is keen to open up about her life, and explain how fulfilling her relationship with Brad is.

Angie will use the book as a platform to promote the joys of raising adoptive kids, and shell reveal details about her future family plans with Brad, a source told National Enquirer. For the first time Angie will explain how Brad and parenthood were her salvation.

The 35-year-old also wants to discuss her work as a United Nations Goodwill Ambassador. She recently travelled to Pakistan in the role to help raise money after the devastating floods there, and it is a part of her life she is fiercely proud of.

She will show the public how she can sit down on equal terms with the most powerful men and women in the world, the source explained. Angie will rewrite her personal history. There will be intimate details about her. She will show how everything led to her becoming the responsible person she is today mother, activist and humanitarian.

Angelina has been married twice, to Jonny Lee Miller and Billy Bob Thornton. She also had a relationship with American model-and-actress Jenny Shimizu, which she is expected to refer to in the memoirs. (C) Cover Media