New research has revealed that Amazon's American storefront is restricting the shipments of books on sensitive subjects to ...

"Prices at Amazon Books are the same as prices offered by Amazon.com, so you’ll never need to compare our online and in-store prices," the site explained in a welcome letter posted on Amazon.

An curved arrow pointing right. Amazon just opened its fifth physical bookstore — in Chicago. It primarily carries books rated 4.5 stars or higher online. Take a peek inside. More from Retail ...