Space ships -- Juvenile fiction. Human-alien encounters -- Juvenile fiction. Unidentified flying objects -- Sightings and encounters -- Juvenile fiction. Space flight -- Juvenile fiction. Families -- Juvenile fiction.

Human-alien encounters -- Fiction. Interplanetary voyages -- Fiction. Adventure and adventurers -- Fiction. Mice -- Fiction. Science fiction.

Extraterrestrial beings -- Juvenile fiction Human-alien encounters -- Juvenile fiction Brothers -- Juvenile fiction Science fiction

Pets -- Juvenile fiction. Human-alien encounters -- Juvenile fiction.

Pets -- Juvenile fiction. Human-alien encounters -- Juvenile fiction.

Schools -- Juvenile fiction. Human-alien encounters -- Juvenile fiction. Human-alien encounters.

Teenage girls -- Fiction Extraterrestrial beings -- Fiction Human-alien encounters -- Fiction

Astronauts -- Fiction Life on other planets -- Fiction Human-alien encounters -- Fiction

Sparks, Jim, 1954- Alien abduction -- United States Human-alien encounters -- United States