Amazon Re-Lists PEC's Desist, Detrans, & Detox Parenting Book

It’s been quite a day.
Yesterday Amazon delisted PEC's new book for parents of transgender-identified children, and this morning PEC woke up to this email from Amazon:

PEC responded, and asked what Content Guidelines Amazon thought that our book violated.
Meanwhile, we shared the story with our friends and supporters across the world with these two blog posts:
Amazon Cancels Book for Parents of Transgender-Identified Kids, and
Amazon Calls Parenting Book "Offensive," Shelves Hitler Manifesto, Sadism Porn, & a Criminal How-To
Then around mid-day we received this enigmatic email from Amazon: