The Cosmic Compendium: Black Holes
The paperback of The Cosmic Compendium: Black Holes is currently ranked 7,938,719 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 27, 2015. In that time, author Rupert W Anderson has seen the book peak at a ranking of 191,848. 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.