How would you put non-fiction books in order on a shelf from left to right

Why does lewis thomas express concern about what we would say to beings from another planet

Why is blank verse considered traditional?

Which pair of uses of figurative language from “the caged bird” support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams