Former President as his running mate has led to a surge in sales for 鈥淗illbilly Elegy,鈥� his best-selling memoir that came out in 2016.

A spokesperson for HarperCollins told The Associated Press that more than 600,000 copies have been sold since Trump鈥檚 announcement on July 15. The total includes physical books, audio books and e-books.

鈥淲e are printing hundreds of thousands of copies to fill the demand at our retail partners,鈥� the publisher announced Thursday.

Vance鈥檚 book already was a million seller before Trump chose him for the Republican ticket. 鈥淗illbilly Elegy,鈥� which Ron Howard adapted into a feature film released in 2020, tells of Vance鈥檚 childhood in Ohio and his family鈥檚 roots in rural Kentucky.

After Trump鈥檚 stunning victory in 2016, as essential reading for Trump opponents trying to understand his appeal to working class whites, even as some critics faulted at as a narrow and misleading portrait of Appalachia and of poverty in the U.S.