"Science fiction." . . . . . "Science fiction, Juvenile" . . . . "When the thing from outer space visits Earth, it is taken first for a trick-or-treater and then for a robot."@en . "Space Case" . "A visitor from outer space lands unnoticed on Earth at Halloween, goes trick-or-treating with some children, and visits a classroom."@en . . . . . . . "Juvenile works"@en . "Juvenile works" . . . . . . . "Fiction" . "Fiction"@en . . . . . . "Space case" . "Space case"@en . . . . . . . . . . . . . "When the thing from outer space visits earth, it is taken first for a trick-or-treater and then for a robot." . "When the thing from outer space visits earth, it is taken first for a trick-or-treater and then for a robot."@en . . "When the thing from outer space visits earth, it is taken first for a trick-or-treater and then for a robot. One track of sound disc has page-turn signals."@en . "Unidentified flying objects Fiction." . . "space-children's picture book, alien, halloween, math, outer space." . .