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

Extraterrestrial beings -- Juvenile fiction Brothers and sisters -- Juvenile fiction Science fiction

Extraterrestrial beings -- Juvenile fiction Brothers -- Juvenile fiction Pets -- Juvenile fiction Science fiction

Extraterrestrial beings -- Juvenile fiction Brothers -- Juvenile fiction Black holes (Astronomy) -- Juvenile fiction Homework -- Juvenile fiction Science fiction

Wiggin, Ender (Fictitious character) -- Fiction Gifted children -- Fiction Brothers and sisters -- Fiction Space colonies -- Fiction Telepathy -- Fiction

Survival -- Fiction Natural disasters -- Fiction Brothers and sisters -- Fiction Puerto Ricans -- New York (State) -- New York -- Fiction Science fiction