She's dubious about how effective hiding it among other books will be. Perhaps on the top of the shelves? No. The shadow is a bird. He'll find it for sure there. Low, then. Under something heavy. And there's a smaller shelf there she thinks she can move.

Without even thinking of the implications of crushing his physical self, the rifle marches over to the shelf, sets the journal down, tips the shelf up with no small effort, and pushes the journal under it with her foot. Then she lets the shelf thud back down. There that would do for the moment.

Brimstone turns back to the paper man with a confident smirk.