Cloud and Wallfish

"Noah Keller has a pretty normal life until one wild afternoon when his parents pick him up from school and head straight for the airport, telling him on the ride that his name isn't really Noah and he didn't really just turn eleven in March ... As Noah, now 'Jonah Brown,' and his parents head behind the Iron Curtain into East Berlin, the rules and secrets begin to pile up so quickly that he can hardly keep track of the questions bubbling up inside him: who, exactly, is listening--and why?"