"Good." Because it probably belonged to someone, some kind of escaped experiment or mutant pet. Though the whole disappearing legs thing bothered Claire. There was no way she could explain that. Shapeshifting just wasn't possible, as far as she knew.

She resorted to wiping off her book, but the bookbag resisted her tentative efforts. " ... you don't happen to have a car with paper towels nearby, do you?" she asked after an awkward sort of pause.