> On Goodreads, the Buy button allows you to buy from: Interestingly, 3/6 of the places you list are owned by Amazon. And all those options are hidden behind

> On Goodreads, the Buy button allows you to buy from: Interestingly, 3/6 of the places you list are owned by Amazon. And all those options are hidden behind a menu. I checked a few books on that site, the button itself is always either "Buy on Kindle" or "Buy on Amazon" (if Kindle isn't available).