The book follows an astronaut named Dmitri who returns to Earth after two and a half years on the Moon to find that no one remembers him.

Dr. Geoffrey W. Beaton, a Nobel Prize-winning scientist, finds Lulu in the park and takes the creature to the Academy of Science.

"[1] According to Publishers Weekly, "The wry humor of Agee's clever book springs in equal measure from the minimal, tongue-in-cheek text and adroitly exaggerated cartoon illustrations.

"[2] Carolyn Phelan wrote in Booklist, "Older children may point out a few flaws in the story, but preschoolers will find this a beguiling picture book, memorable for its expressive illustrations and the convincing innocence and mutual affection of the two main characters.

"[3] Writing for School Library Journal, Anne Connor said, "The gentle story of a friendship across planetary boundaries has a whimsical appeal for Agee's adult fans, but lacks the conflict or strong narrative line to involve children.