Beowulf: The Monsters and the Critics give it a powerful effect. He rebuts suggestions that the poem is an epic or exciting narrative, likening it instead to a strong masonry structure built of blocks that fit together. He points out that the poem's theme is a serious one, mortality, and that the poem is in two parts: the first on Beowulf as a young man, defeating Grendel and his mother; the second on Beowulf in old age, going to his death fighting the dragon. The work has been praised by critics including the poet and "Beowulf" translator Seamus Heaney. Michael D. C. Drout called it the
Beowulf: The Monsters and the Critics in the symbolic value of such preternatural representations of sheer evil." Weinreich added that ""Beowulf," like other ancient legends, served to nourish Tolkien's imagination." John Garth, writing in "The Guardian", describes the paper as "still well worth reading, not only as an introduction to the poem, but also because it decisively changed the direction and emphasis of Beowulf scholarship. Up to that point it had been used as a quarry of linguistic, historical and archaeological detail". Garth notes that Tolkien's paper was praised by the Irish poet Seamus Heaney in the introduction to his critically acclaimed translation of "Beowulf". He