I talked to her for hours on the game but there's no interaction related to the opportunity.
The Writing skill is a skill career, so your sims can register as a Self-Employed writers, earning special rewards for selling their work. Basically, write your way in. Prolific Author will be done once a Sim writes a minimum of 20 books. He made a fight for it, puffed Corson, but I got in wan good lick at him and he wilted.
Learn to set things right! Coming up with new names for books is annoying - so it's far easier to just write a huge one that gives you tons of royalties all at once.
The biography is just like any other book you can write.