Prehistoric peoples -- Fiction. Mammoths -- Fiction. Adventure and adventurers -- Fiction. Humorous stories.

Mice -- Fiction. Prehistoric peoples -- Fiction. Adventure and adventurers -- Fiction. Humorous stories.

Interplanetary voyages -- Fiction. Adventure and adventurers -- Fiction. Robbers and outlaws -- Fiction. Mice -- Fiction. Science fiction.

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Extraterrestrial beings -- Juvenile fiction. Mice -- Juvenile fiction. Planets -- Exploration -- Juvenile fiction. Interplanetary voyages -- Fiction. Adventure and adventurers -- Fiction.

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

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Mice -- Juvenile fiction. Interplanetary voyages -- Juvenile fiction. Adventure stories. Extraterrestrial beings -- Juvenile fiction. Humorous stories.

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