In a flying city, in the world of Nearth, there lives a small doub. He is perfectly happy with his life, until one day, he meets a strange, giant feline that takes him on a wild adventure all across Nearth. Their goal is to save their world from a terrible poison, and Nearth's only hope lies in the group they form. This three-book series combined into one book covers the consequences of their adventures over a span of twenty years. Now the first three books are completed, and the next three are in progress!