Fifth graders Tuck and Sienne are sent on a dangerous adventure to stop tyrannosaur rebels from acquiring the key to the gateway of Earth. The children are joined by their friends Prodie the beagle, Noelle the rat, magpies Sonki and Ceril, and Yiddah the tiny dinosaur, who are all sure to be a big help They travel to the dinosaur world via a gateway that all animals on Earth can go through at will. Their plan against the tyrannosaurs must succeed, because if the creatures enter Earth, they are coming for dinner Will the gang be able to stop the rebels before the gateway is opened and the...