Category romances are generally only available for a limited time, remaining on a bookseller's shelves until they are sold out or until the next month's titles are released.[12] Popular category romances can be repacked as stand-alone romance novels; Irish Thoroughbred received five printings by 1984.[13] In 2000, the book was paired with its sequel, Irish Rose, and republished as Irish Hearts, with an initial print run of one million copies.