It's here! It's here! Marsha Linehan's new book--is here! Check out this article from Psychology Today about the inception of DBT from the founder herself.:
https://www.psychologytoday.com/us/articles/201912/walking-tightrope
Here is also a link to purchase her new book:
https://www.amazon.com/Building-Life-Worth-Living-Memoir/dp/0812994612/ref=sr_1_1?crid=2V7E44Z37LOD5&keywords=building+a+life+worth+living+marsha+linehan&qid=1578582742&sprefix=building+a+life+%2Caps%2C149&sr=8-1