Single mothers › Fiction (2)

Civilization, Subterranean › Fiction (2)

Scientists › Fiction (2)

Washington (D.C.) › Fiction (2)

Floods › Fiction (2)

Ecoterrorism › Fiction (2)

South Pacific Ocean › Fiction (2)

Missing children › Fiction (2)

Boys › Fiction (2)

Boys › Fiction (2)

Underground areas › Fiction (2)

Presidents › Fiction (2)

Presidents › Fiction (2)

Submarines (Ships) › Fiction (2)

Ecoterrorism › Fiction (2)

Single mothers › Fiction (2)

Romantic suspense fiction (2)

Missing children › Fiction (2)

Police › Ithaca › Fiction (2)

Civilization, Subterranean › Fiction (2)

Legislators › Fiction (2)

Legislators › Fiction (2)

South Pacific Ocean › Fiction (2)

Submarines (Ships) › Fiction (2)

Ithaca (N.Y.) › Fiction (2)

Ithaca (N.Y.) › Fiction (2)

Romantic suspense fiction (2)

Underground areas › Fiction (2)

Scientists › Fiction (2)

Global warming › Juvenile fiction (2)

Survival › Fiction (2)

Interpersonal relations › Fiction (2)

New York (N.Y.) › Fiction (1)

Survival after airplane accidents, shipwrecks, etc. › Fiction (1)

Adventure and adventurers › Juvenile fiction (1)

Antarctica › Juvenile fiction (1)

Survival › Juvenile fiction (1)

Writing › Fiction (1)

Movie novels (1)

Ecology › Fiction (1)

Genetic engineering › Fiction (1)

Adventure and adventurers › Fiction (1)

Voyages and travels › Juvenile fiction (1)

Altruism › Juvenile fiction (1)

Identity › Fiction (1)

Genetic engineering › Fiction (1)

Natural disasters › Fiction (1)

Nature stories (1)

Genetic engineering › Juvenile fiction (1)

England › Fiction (1)

Voyages and travels › Fiction (1)

Altruism › Fiction (1)

Vermont › Fiction (1)

Human-alien encounters › Fiction (1)

Glacial epoch › Fiction (1)

Antarctica › Fiction (1)

Floods › Juvenile fiction (1)

Typewriters › Fiction (1)