Re: TNG Cold Equations Book 2, Silent Wpns Nic-Picks -- SPOILERS
Same here, I love Tryss.
As for her taking command, I swear I remember them saying somewhere that anybody who worked on the bridge needed to be able to take command if necessary.
They say a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance. - Terry Pratchett, Equal Rites