Frankly this is bizarre, but if you're looking for Python for Kids, I suggest you don't buy on Amazon for the moment:
Much as I'd like to be getting a cut of that price, I somehow doubt I'm getting anything -- and you're possibly getting a poor quality knock off, going by this:
https://twitter.com/billpollock/status/844030960333152256
(Some more discussion on Hacker News here: https://news.ycombinator.com/item?id=13924546 )
Barnes and Noble looks to be a safer option - and you can still buy directly from No Starch Press of course.
Further update: Inc.com "Amazon's Tepid Response to Counterfeiters Frustrates Sellers"