Looks like they released a paperback copy on Amazon.
https://www.amazon.com/X-Treme-Dungeon-Mastery-Tracy-Hickman/dp/B0CRKS3JH5
https://www.amazon.com/X-Treme-Dungeon-Mastery-Tracy-Hickman/dp/B0CRKS3JH5
Cool. Hopefully they fixed the editing errors in the Kickstarter hardback.Looks like they released a paperback copy on Amazon.
https://www.amazon.com/X-Treme-Dungeon-Mastery-Tracy-Hickman/dp/B0CRKS3JH5