Preston dutifully and very carefully copied the chalkboard down into his spiral notebook. He wanted to make sure it was as near as an exact replica he could make of it so he could use it when he needed it, and he was positive he'd need it.

Erasing lines and words here and there when something didn't look quite right to his standards. Finally, done writing the last of what each card signified, Preston laid his pencil down on top of his notebook and listened carefully to Professor Bishop.