"They let us borrow them? Without payment? Without - they don't care I might not give it back?"

That doesn't make sense to Eponine. Actually, it feels pretty overwhelming. Not just the books, but unlimited food and dresses and pretty things? She can have anything - everything - she's ever wanted and not have to lift a finger?

She looks at Nancy's hand and back to her face, distrust clear on Eponine's.
But after a small hesitation, she takes it and steps inside.

"We can be... we don't have to do nothing?."

Slowly, Eponine begins to smile. "Oh, Nancy, if this is a dream, don't wake me up. I don't want to know. It's the nicest place I've ever been."