Trade publishers are those who publish books to be sold in bookstores -- both hardcover volumes and higher priced quality paperbacks. Mass market publishers produce inexpensive paperbacks to be sold in such nontraditional outlets as newsstands and supermarkets, as well as in bookstores. Peter Dzwonkoski writes in this DLB volumes foreword that beginning with the formation of Pocket Books in 1939, America has witnessed the phenomenon known as the...