Exeter Book Riddle 47 (according to the numbering of the Anglo-Saxon Poetic Records) is one of the most famous of the Old English riddles found in the later tenth-century Exeter Book. Its solution is 'book-worm' or 'moth'.

The extensive commentary on this riddle is concisely summarised by Cavell,^[2] and more fully by Foys.^[3]

• Krapp, George Philip and Elliott Van Kirk Dobbie (eds), The Exeter Book, The Anglo-Saxon Poetic Records, 3 (New York: Columbia University Press, 1936), p. 236.
• Williamson, Craig (ed.), The Old English Riddles of the Exeter Book (Chapel Hill: University of North Carolina Press, 1977).
• Muir, Bernard J. (ed.), The Exeter Anthology of Old English Poetry: An Edition of Exeter Dean and Chapter MS 3501, 2nd edn, 2 vols (Exeter: Exeter University Press, 2000).
• Foys, Martin et al. (eds.) Old English Poetry in Facsimile Project, (Madison, WI: Center for the History of Print and Digital Culture, 2019-). Online edition annotated and linked to digital facsimile, with a modern translation.