The library idea wasn't shoddy. It meant no one would have to spend the night turning into a wrinkly prune. Or possibly become food for the kind of fish with sharp teeth and tentacles and an appetite for human flesh. A somber moment of thought was interrupted by Remus's seemingly main concern about the library-plan.
"Of course he thinks about the books," Sirius couldn't keep from sniggering.
"If it'll help ease your mind, we could take all the important ones out," he suggested, casting a chummy arm to drape across Remus's shoulders. "We've a few days yet to prepare for all this." An askance glance confirmed that the moon was exactly halfway waxed, which gave them a few days. Probably a week by his own guesstimations.