内容简介：
"Tom and Katie's Greatest Adventure" begins in Scotland on the shores of Loch Doon. Tom finds a mysterious box, which leads to the discovery of a spaceship on Smoky Mountain. A giant comet threatens the Earth, so Katie and Tom travel in the spaceship to a strange new world where they have many adventures. They encounter prehistoric creatures called Pteranodons as well as giant spiders. Read about their exciting adventures as they explore the new world and encounter evil warriors from another galaxy.