The Vanishing GameDisappearing act? Everyone in Bayport can't wait for the biggest event of the season: the premiere of G-Force - the newest ride by the world-renowned Piperato Brothers. Their creation is going to change the fortunes of Funsport, Bayport's small and recently run-down amusement park. Frank and Joe are friends with Daisy Rodriguez, the owner's daughter, and are first in line for the ride's launch. Purple lights click off, a huge whoosh emanates from the floor, loud music pulses . . . . G-Force is awesome and exhilarating from start to finish. But while everyone is screaming their heads off, a young girl disappears into thin air - right in the middle of the ride! The fun has stopped, and now Frank and Joe have to solve this terrifying vanishing act. Into Thin Air When the daughter of an amusement-park owner goes missing, it's anything but fun and games in this Hardy Boys adventure-a new take on the classic series.