Harper Perennial is a paperback imprint of the publishing house HarperCollins Publishers. Harper Perennial has divisions located in New York, London, Toronto, and Sydney. The imprint is descended from the Perennial Library imprint founded by Harper & Row in 1964. In Fall of 2005, Harper Perennial rebranded with a new logo (an Olive) and a distinct editorial direction emphasizing fiction and non-fiction from new and young authors. In the end matter, books often feature a brand-specific P.S. section that features extra material such as interviews, essays, etc. Carrie Kania is the publisher.
Recent notable books include I Am Not Myself These Days by Josh Kilmer-Purcell, The Yacoubian Building by Alaa Al Aswany, The Paradox of Choice by Barry Schwartz, Lullabies for Little Criminals by Heather O'Neil, Grab On to Me Tightly as If I Knew the Way by Bryan Charles, and The Yiddish Policemen's Union by Michael Chabon. In November, 2011, they released The Shakespeare Guide to Italy: Retracing the Bard's Unknown Travels by Richard Paul Roe, a detailed examination of the locales mentioned in ten plays by Shakespeare.