“A short poem or conclusion written at the end of a book is called:”

"A short poem or conclusion written at the end of a book is called:"
Answer: "Epilogue"

"An epilogue is a concluding section often a short poem or prose at the end of a book providing closure or reflection. It enhances a work’s narrative offering insights or future implications. This literary device is significant in English literature enriching reader understanding in novels plays and essays. Recognizing epilogues aids in literary analysis supporting deeper engagement with texts in academic and creative contexts."