There's an Alien in My Cereal

When Yawlo left Springbo he was thinking of just a short visit to Earth to see for himself if Earthlings were as mean as he had been told. He has big problems when he enters Earth's gravilty. How is he to get back home to Springbo? How is he to find his ship? Things on Earth are so large compared to Yawlo. Whe Yawlo meet Arthor the adventure and friendship begins. Does he get home?