Two audio books in The Art of World Building series are now available!
3000 World Building Prompts
ACX: https://www.acx.com/salesTitle?asin=B0BNKR89WK
Audible: http://www.audible.com/pd/?asin=B0C29QFF2H
The Complete Art of World Building
ACX: https://www.acx.com/salesTitle?asin=1946995428
Audible: http://www.audible.com/pd/?asin=B0C24VTXDX