"But of course I have only your word to go on," says Serah.

"Mine, Damaris's and Keziah's, Micaiah's if you like, Alleluia and Caleb and their children," says Isabella. "And any magic you'd like to see done, and a visit to the spaceship, if you want, and I hope that suffices to convince you about the worlds and the alts - the other versions of people."