The Influential Author: How and Why to Write, Publish, and Sell Nonfiction Books that MatterEbookThe Influential Author: How and Why to Write, Publish, and Sell Nonfiction Books that MatterbyGregory V. DiehlRating: 0 out of 5 stars0 ratingsSave The Influential Author: How and Why to Write, Publish, and Sell Nonfiction Books that Matter for later