"Funny, you say that and yet I don't get the feeling that you're a hundred percent certain we're safe here. What with your library being unexpectedly on the loose." She arches an eyebrow at his and taps the side of her nose. He can be as reassuring as he likes, but she isn't forgetting that half of the nonsense here was unexpected on his part too.

She takes a few moments to look at the mostly-empty pool, entertaining the notion that this is where the library stopped for a quick drink.

Even so, it isn't unusual for Eva to be headstrong about getting something done. She's never been terribly fond of sitting around and twiddling her thumbs - well, maybe the twiddling her thumbs part, but not the sitting around bit. She much prefers action. As such, she heads right over to the door to the Zero Room and shoves it open. She doesn't even wait for the Doctor before heading inside.