The paperback of Defending Socialism is currently ranked 8,388,607 on Amazon.com according to NovelRank's collected data. Published by Lulu.com, the book's Amazon sales rank has been tracked for a long time, starting on August 14, 2016. In that time, author Penny C Lewis has seen the book peak at a ranking of 11,182,577. However, NovelRank is not actively tracking the sales rank of this book.
You can view charts and see full ranking and sales data across all worldwide Amazon domains by viewing the full detail page on NovelRank.com.