Known close parallel universe - What book can I find out more about this universe?
It's actually the familiar Mirror Universe - the novel Rise Like Lions
, which concluded the MU arc, introduced the wormhole-travelling ships.
Fellowship of Artificial Intelligence - I assume these are the people that tried to recruit Noonian in Book One. Have they been mentioned in prior books?
was their first appearance, The Persistance of Memory
being their second.
EDIT: Oh, and Harstad was introduced in Paths of Disharmony
, I think. Someone will correct me if I'm wrong.