Reference:Atrus, crystal viewer message
Ah, my friend! Are you there? I hope you're receiving this. I'm barely getting you!
Listen, there is a terrible electromagnetic storm here. I can't leave Rime until it's over.
I know what you can do: In the desk in my bedroom, below the top drawer, there is a symbol. Press on it to open two compartments; the commentaries I wrote on Haven and Spire are inside.
Oh, and tell Yeesha not to forget her homework.