Since 2013, the publishing industry has seen a marked drop in the growth of ebook sales in general. (pagetwostrategies.com)
As an independently published author, I make 70 % of the price of an ebook priced $ 2.99 and up. (goodereader.com)
If you are interested in purchasing copies of the ebook in bulk for your classroom, nature center, organization, or school district, special discounts apply. (greenteacher.com)