My kickstarter project for the book of OSM is nearly done. Kickstarter backers already have the PDF of the book: The contents are final and the cover has some bugs being fixed:

BookOfOSMBug

Notice the white lines on the back cover. Once that is done, it’ll be available on Amazon.com and Kindle. If you want to stay up to date, there is a mailing list on the website for the book.