Top 10 Hardcover Book Promotion Sites

This is part of the WriteZero Top 10 Book Promotion Sites Guide for Authors & Publishers This Top 10 lists covers the best book promotion sites and marketing methods for promoting hardcover books To promote paperbacks please look at this post Top 10 Paperback Book Promotion Sites To promote ebooks at $0.99 and $2.99 please look at these posts Top 10 $0.99 Book Promotion Sites Top 10 $2.99...