'Plume' is a term that refers to an older style of pen.
'Plume Books' is a publisher that is part of Penguin Books based in the United Kingdom. Penguin innovated within the traditional publishing industry in the 1930s by being the first company to produce inexpensive yet high quality, paperbacks sold through Woolworths and other dime stores.
- Joicey, Nicholas (1993), "A Paperback Guide to Progress: Penguin Books 1935-c.1951", Twentieth Century British History, Vol. 4, No. 1, pp. 25-56; and Ross McKibbin Classes and Cultures: England 1918-1951, Oxford, 1998, ISBN 0-19-820672-0.