Amelia, the Moochins and the Sapphire Palace (Amelia's Amazing Space Adventures, #1)
Amelia opens a present. A present that's not a present. No, it's a friendly looking alien called Uglesnoo from the planet Pluto. Uglesnoo needs to leave right away for the Moon. Uglesnoo also desperately needs Amelia's help. His sister is very sick. Should Amelia venture into outer space?