Madam President and First Lady by Advocate and T. Novan

Madam President - 320 pages
It's the year 2020, and the future is here at last. America has its first woman president, Devlyn Marlowe. President Marlowe, a compelling woman of heart, mind and spirit wants her term in office chronicled, and she wants it done by an author whose voice has always captured her, Lauren Strayer.
http://www.academyofbards.org/fanfic/a/advocate_tn_madampresident.html

First Lady - 260 pages
In the sequel to Madam President we learn the trials and tribulations of trying to maintain a relationship, merge a family and still have time to be the leader of the free world.
http://www.academyofbards.org/fanfic/a/advocate_tn_firstlady.html