Release dates for the next Unofficial Guide Gerelyn August 10, 2019 13:49 Updated Follow The new Unofficial Guide books generally come out in late August or early September. Unfortunately, that timing is completely out of our hands. Related articles Why do I have to pay for the book and a subscription? What does the code "SL" mean in the crowd calendar? Why is the theme park closing so early? Does each adult/child have to get a plate or can they split the meals? Car seats in rental cars Comments 0 comments Article is closed for comments.