I've got #7 uploaded to Amazon now. As soon as they tell me it's live, I'll get a link published here.
Tom
ETA - Very quick turnaround from Amazon today. For US Amazon users (.com) the link is:
https://www.amazon.com/dp/B0C4ZRYNCX
For non-US users you'll want to search for ASIN: B0C4ZRYNCX in your relevant Amazon site.