New Audiology Praxis Exam

So I was planning on taking the Praxis Sept. 17th, but could not because that test was discontinued, because the new and revised Praxis starts with the Nov. 12th test date. The scoring is now different. You must get 170 in order to pass. There is no study guide available at this time that reflects the changes for the new test. I am a masters level audiologist returning to the field. Any suggestions on ways to study? Any and all recommendations welcomed.