Hugh Lofting 
Doctor Dolittle in the Moon 

The giant moth has brought the Doctor, Tommy Stubbins, Chee-Chee, and Polynesia to the Moon. As they explore this strange new world, the Doctor soon discovers how to communicate with the intelligent plants. But mystery lies all around—why were they brought here? Who is watching them? Who is the owner of the giant footprints they encounter? And how will they ever get back to Earth?