randomly generated fic rec

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Randomly generated character: Susan Foreman
Fic: Thirteen Conversations About One Thing
Author: Amy Wolf
Characters: The Doctor (all thirteen of him), plus a canon character for each of the ten incarnations we know: Susan, Victoria, Sarah, Romana, Tegan, Peri, Ace, Grace, Jackie and Martha. And some OCs.
Rating: All ages
Spoilers: Through season 3 and the TV Movie.
Length: 6792 words in thirteen chapters.

The author's summary and my reasons for the rec contain a spoiler for the TV Movie, so I will put both behind a spoiler cut: ( spoilers follow )