They appear in midair, visible out of a few thirtieth-floor apartments.
One starts to fall. The other catches her by the arm, flings out - wing-shapes of light - and slows her, spiraling down until they're at street level.
"I don't know if I'm ready for anything that isn't intended for children yet but maybe there are kids' history books or something?"
"It is! They spent a long time on designs so people could write on a pocket everything fast, since people do so much writing that way. More than on paper, most people."