"Elf children," says Sherial.

"Two thousand years ago, in Jermayan's time," says Tianthonet. "There was a war on, and the elves wanted to send their children to a special fortress where they'd be safe, and of course the best way to go was by dragon, but Ancaladar didn't like having - what was the phrase - "

"An infestation of tiny passengers," Sherial supplies.