Amazon dives deep into being a publishing engine. It’s effectively a way for Amazon to incentivize authors to provide their works exclusively to Amazon for a period of timeInteresting pieces from the article: “KDP Select is a new option that features a $6 million annual fund dedicated to independent authors and publishers. If you choose to make a book exclusive to the Kindle Store for at least 90 days, the book is eligible to be included in the Kindle Owners’ Lending Library and you can earn a share of the fund based on how frequently the book is borrowed (click here to see how payments are calculated). In addition, by choosing KDP Select, you will have access to a new set of promotional tools, starting with the option to offer enrolled books free to readers for up to 5 days every 90 days. Authors and publishers can enroll a single title, their whole catalog or anything in between within KDP Select. ”