Simplify the following text for a Grade 17 native English-speaking person.
Original: Frost 's poems are critiqued in the Anthology of Modern American Poetry ( Oxford University Press ) where it is mentioned that behind a sometimes charmingly familiar and rural faÃ ade , Frost 's poetry frequently presents pessimistic and menacing undertones which often are either unrecognized or unanalyzed .
Simplified: Frost 's poems are analyzed in the Anthology of Modern American Poetry ( Oxford University Press ) where it is mentioned that behind a sometimes charmingly familiar and rural front , Frost 's poetry frequently presents hopeless and hostile undertones which often are either unseen or unanalyzed .