All about Hauptwerk
The paperback of All about Hauptwerk is currently ranked 1,011,180 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 March 8, 2016. In that time, author Kenneth Spencer has seen the book peak at a ranking of 50,967. 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.