Discovered Freetime mode today. Look at the stats dashboard! You can also see total time read per book and average time per reading session. These stats should be available in regular mode!
Amazon's new $3 subscription offers unlimited kid-friendly content - The Verge
Amazon Kindle (2019) review: Cheapest Kindle is an illumination - CNET
Amazon adds Goodreads, FreeTime to Kindle Paperwhite – GeekWire
Amazon Fire TV Gets Freetime Unlimited Kids App - Variety
Amazon's Next Kindle Paperwhite Leaks Early, Now Available To Pre-Order For U.S. Shoppers | TechCrunch
Kindle FreeTime: Parental controls and kid-friendly content - CSMonitor.com
Kindle Paperwhite first-generation gets FreeTime, Goodreads integration, and more | Technology News