Genetic engineering -- Juvenile fiction Survival -- Juvenile fiction Orphans -- Juvenile fiction Science fiction

War -- Fiction Soldiers -- Fiction Survival -- Fiction Orphans -- Fiction Conduct of life -- Fiction

Triangles (Interpersonal relations) -- Fiction Genetic engineering -- Fiction Male friendship -- Fiction New York (State) -- Fiction Science fiction

Science fiction Imaginary creatures -- Fiction Princes -- Fiction War -- Fiction Genetic engineering -- Fiction

English fiction -- 20th century -- History and criticism Science -- Moral and ethical aspects -- Fiction Genetic engineering -- Fiction Science fiction