Science fiction -- Philosophy Philosophy -- Introductions Philosophy in literature

Siblings -- Fiction. Time travel -- Fiction. Przewalski's horses -- Fiction. Horse family (Mammals) -- Fiction. Horses -- Fiction.

Murder -- Fiction. Time travel -- Fiction. Mothers and sons -- Fiction. Teenage boys -- Fiction. Witnesses -- Fiction.

Time travel -- Juvenile fiction. Friendship -- Juvenile fiction. Interpersonal relations -- Juvenile fiction. Fate and fatalism -- Juvenile fiction. Life change events -- Juvenile fiction.

Time travel -- Juvenile fiction. Nature -- Juvenile fiction. Magic -- Juvenile fiction. Tree houses -- Juvenile fiction. Yosemite National Park (Calif.) -- Juvenile fiction.

Women lawyers -- Fiction. Time travel -- Fiction. Life change events -- Fiction. Self-realization in women -- Fiction. Man-woman relationships -- Fiction.

Actors -- Fiction. Time travel -- Fiction.

Time travel -- Juvenile fiction. Incas -- Juvenile fiction. Llamas -- Juvenile fiction. Animals -- Infancy -- Juvenile fiction. Magic -- Juvenile fiction.

Dogs -- Juvenile fiction. Time travel -- Juvenile fiction. Epidemics -- Juvenile fiction.

Chickens -- Juvenile fiction. Dinosaurs -- Juvenile fiction. Superheroes -- Juvenile fiction. Time travel -- Juvenile fiction. Humorous stories.

Janitors -- Juvenile fiction. Scientists -- Juvenile fiction. Stone age -- Juvenile fiction. Time travel -- Juvenile fiction. Time travel -- Fiction.

Dragons -- Juvenile fiction. Magic -- Juvenile fiction. Wizards -- Juvenile fiction. Time travel -- Juvenile fiction. Adventure stories.