She will turn slightly away, so as not to be 'looking' at him, and begin writing.
The book starts by introducing herself, and explaining that she's an alien from another world who arrived here by accident. She goes on to talk about how although she's fairly different from crafters in some ways (see the later chapters), she still has the impulse to try and make her new neighbor's lives better, and that therefore she's preparing to reconstruct her world's technology and give it to everyone she can.
She's going to work with the librarians to get a bunch of her world's books published, which will be useful, but the main technology she hopes to introduce are fixity crystals. Fixity crystals work like so, and can do these things, of which the medical applications are probably the most important.
She plans to gift a personal crystal to everyone she can find, and then leave baskets of them in public spaces for if people need more. She would really appreciate it if people would spread the word, and bring them to any neighbors that would be harder for her to find (such as if they live entirely underground). Getting that many crystals made is going to take her a while, though. They should expect her to start having enough to share around at all in about 60 days, and probably another 60 days or so to have enough for everyone.
Then she switches to talking about what her world is like. She explains that crystal people (the word a librarian coined for her species) do look a lot like crafters, but lack their territory instinct and ability to craft. Because she can change shape, she's planning on looking like a small green centaur-lizard once she's recovered from the accident that brought her here, so that people don't confuse her for a crafter.
She spends a chapter talking about what she's noticed about the differences between crafters and crystal people, and then weaves the questions that the purple librarian asked her into a questions-and-answers section.
She notes that she would love to get feedback from people on her plan and any potential improvements, or just to get messages from more crafters so she can get to know them better. She's also interested in figuring out how to get crystals to all the other thinking creatures, but thinks crafters should probably have priority.
She ends the book with the note that she's staying at the main library campus for now, if people want to send her letters, plus some notes on constructing a basic AM radio transmitter-receiver and test equipment for it if people prefer to send things that way. She's also investigating getting some extra machinery attached to the library so that people can send her messages using their library terminals, but hasn't worked that out yet.
Then she grabs a skein of air and turns it into a properly-formatted vinyl disk, which she hops off of her cart to present to Mr. shades-of-lavender.
"I assume you have a way to print that locally, since you must need to check the formatting on books somehow?" she asks.