invisibleness

Duff and his stepmother stare at one another, facing the grim reality of the invisibleness and lack of history of the negro.

"Well, then, to put it in a nutshell," said the Chief Voice, "we've been waiting for ever so long for a nice little girl from foreign parts, like it might be you, Missie - that would go upstairs and go to the magic book and find the spell that takes off the invisibleness, and say it.