Space rocks!

"Chorkle and its human friends Hollins, twins Becky and Nicki, and Little Gus (who is now lobbying to be called Medium Gus) have been warped to a strange new galaxy. When Kalac is stranded on neighboring planet Kyral, the gang takes matters into its own hands (and thol'grazes) and sets off on a daring rescue mission"--

Chorkle narrates the adventures of Earth children Hollins, Becky, Nicki, and Little Gus, marooned on his asteroid, Gelo, as he watches over them with his five eyes, teaches them to fight a ferocious thyss-cat, and seeks a way to get them home. Book #1